Pcm power diode fuse

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2003 Exlplorer, fuse F1. The is a miniaturized receiver for infrared remote control and IR data transmission. A Schottky barrier diode, when used for high speed switching rather than basic rectification, is used for things like UHF and other high frequency signals. The #22 fuse (A/C clutch relay- PCM Keep Alive Power Fuse) blows as soon as I start the car. Thanks MT-2500. Fuse blew as soon as key A bad PCM, or power train control module, has a check engine light that does not turn off, an assortment of random codes, intermediate stalling issues and poor engine performance. battery was dead and alternator not charging. Although I plan to check the DLC circuits to be sure, I suspect that the problem lies with the ignition switch or one of the modules that it powers, which are the Cluster, Integrated Power Module and Powertrain Control Module (PCM). S. Power on the three-wire ignition pickup is out of whack. A rectifier can take the shape of several different physical forms PCM-112 from Panduit at Allied Electronics & Automation. El Ford Explorer 1999 tiene 2 cajas de fusibles distintas: Diagrama de Fusiblera de pasajero; Diagrama de Fusiblera de motor * Los diagramas de fusibles del Ford Explorer cambian con los años, selecciona el año de tu vehículo: Littelfuse 02400104P MINI Diode Automotive Fuse, 1 Amp. Fixya. It is sometimes referred to as Ford Fuse. The ECM 1 is one such computer; it has a fuse is installed to protect the computer from sudden power surges or other component damage Littelfuse Automotive Sensor Products offer a wide range of sensors for use in monitoring various vehicular functions in the areas of passenger safety, comfort and convenience plus vehicle powertrain, chassis and emission applications. 8 PNK PNK c ENG SENSOR Fuse 10 20 A 539 C105 539 539 0230 539 G4 PCM IGN Fuse 10 A 439 C220 439 I have an 04 Envoy 4. This kept me running today, and probably wouldn't work as a go-around in one of your cars. Every four months or so the truck will begin surging while pressing on the gas pedal. 1992-1997 Ford Crown Victoria, Mercury Grand Marquis Fuse Box Diagram. Replace the diode at the board with a new one (regardless as to what you measured on the old diode), and make sure the orientation is correct. Otherwise, it will act like its going to start but doesn't, as if it is not getting gas. It appears to be in the circuit that activates the PCM power relay (in the same fuse box). The following documents installation methods of a tachometer in ‘92-‘95, ‘96-‘97, ‘98-‘02 and 2003-2005 panthers (specifically, the CV/GM) Chevrolet truck fuse box diagrams. It seems that part of the fuse box is powered by the battery in the trunk and some fuse ports are not. Make sure it has continuity back to the coil. PCM has good power and ground (12V on pin 3, power ground on pins 11 and 12, and signal ground on pin 5). Fuse/Relay Fuse Amp Passenger Compartment Fuse Panel Location Rating 15A 20A 15A Description Audio Powertrain Control Module (PCM) , Cluster Ci ar Li hter, Data Link Connector Exterior Rear View Mirror Switch, Mirror turn Si nal Rela s Speed Control Module, Reverse Lamp, Climate Mode Switch, Daytime Running Transmission Range engine compartment fuse/relay box wiper run park relay wiper hi-lo relay wide open throttle nc cutoff (wac) relay pcm power diode rabs diode 4wabs diode rabs/low fluid resistor jbl 30a power point 30a generator 15a fuel system/anti-theft 20a 4wabs pump relay 30a blower motor 40a horn/pcm memory power 20a i/p fuse panel 50a horn relay engine compartment fuse/relay box wiper run park relay wiper hi-lo relay wide open throttle nc cutoff (wac) relay pcm power diode rabs diode 4wabs diode rabs/low fluid resistor jbl 30a power point 30a generator 15a fuel system/anti-theft 20a 4wabs pump relay 30a blower motor 40a horn/pcm memory power 20a i/p fuse panel 50a horn relay No, the HEGO fuse only feeds the two upsteam O2's and will not cause your problem. Make sureyoucandowithoutthatcircuit temporarily (such as the accessory power socket or radio). Clicking on the image will enlarge it. Any ideas? I have pulled/disconnected the fuel pump connectors (fuse still blows). Just recently engine died going into parking lot about 10 miles from home. You should also verify the EEC Pwer fuse is good (the only 30A, under Electrical Systems/Wiring - EEC Power Diode - In the process of trouble-shooting my electrical system (another story), I came across this power diode in the engine compartment fuse box. http://tvrepairinfo. The PCM relay is relay # 4 in your power distribution box in the engine compartment , also in the PD BOX in location # 6 is a 10 amp mini-fuse for the powertrain control module and in location # 8 In the Power Distribution Box ( which is " live " ) in the engine compartment : Mini fuse # 1 is a 30 amp fuse for the PCM relay Mini fuse # 2 is a 10 amp fuse for the PCM and front electronics Fuse Panel Layout Diagram Parts: battery junction box, PCM module power diode, wiper run/park relay, PCM power relay, fuel pump relay, starter relay, fog lamp relay, blower motor relay, A/C clutch relay, trailer tow relay, fog lamp isolation relay, wiper high/low relay, windshield washer relay. The vehicle owner had found that the fuse #8 in the interior fuse box was blown and the Otis or starting diode in the underhood fuse box had melted. However, this item may be purchased online to be shipped to home or may be purchased in person by visiting a NAPA store. If the diode is bad you'l get no power. For example i found in my cadillac that my power seats draining my batt when the car just sits there. With the PCM connectors removed from the PCM look at the connector towards the fender, this is connector C3. A power-train control module, abbreviated PCM, is an automotive component, a control unit, used on motor vehicles. Also see Fuse 17: 15: 50: Powertrain Control Module (PCM) Power Diode, Power distribution box. Some older vehicles have external voltage regulators, whereas many late-model vehicles use the PCM to control charging output. Does the car start? I understand that the Power  If the fuse blows as soon as you install a new one, I'd suspect either the PCM Power Relay points are stuck closed (due to short) or the short is  was that my fuel pump wasnt getting power nor was i getting spark. 1L straight 6 with an older power chip. All wiring looks good. Post by rob hood » Thu Dec . had alt and battery both tested and both were bad . The reading indicates if I unplug the AC Clutch put in a new fuse and it pops then it is the wiring if not it is the coil. But when I turn the key, I can hear the fuel pump run. - The 6th fuse down on the right side is the fuel system and anti-theft. Without a properly working PCM, the Ford will not run. 2 amp fastblow and slow blow Pico fuses are available all over the internet. 1999 Ford windstar 3. Evidently I shold have sent the diagram to begin with. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. please email me @ darkunrealmatrix@hotmail. All three need to be fixed anyway. It is generally a combined control unit, consisting of the engine control unit (ECU) and the transmission control unit (TCU). Looking for automotive diodes? Browse a wide selection of high reliability TVS diodes from Littelfuse, an industry leader in automotive aftermarket products. Are you talking about the fuse-sized diodes in the power distribution block? Where is it and what does it look like? Part number for PCM power diode? 3 Answers. The power distribution box is located in the engine compartment. The power coming out of the alternator will treat the two wires as one, power follows the path of least resistance. Power to PCM fuse was blown. You can pick up a used pull from eBay for cheap. How would you use a bulb to look for shorts? Do you power it with the clutch plug then look for dimming or is there a test where you look for any light? Will look closer at the diode connections when I get some under-hood fuse box. A leaky diode also can allow current to drain out of the battery through the alternator when the vehicle is not being driven. General Motors engine compartment connectors. If the high speed data line is shorted to ground, power, or together it will eliminate communication on the high speed data line. On a safety note, when running the second wire you should fuse it near the battery. It should have continuity in one direction and read open in the other. The signal is not constant and within parameters with the ignition key turned off. No. Electrical components such as your map light, radio, heated seats, high beams, power windows all have fuses and if they suddenly stop working, chances are you have a fuse that has blown out. When an electrical component stops working the fault may be in the component, in the electrical circuit or in TSOP7000 IR Receiver For High Data Rate PCM at 455 KHZ . Constant-current diode is an electronic device that limits current to a maximum specified value for the device. El Ford Focus 2010 tiene 2 cajas de fusibles distintas: Diagrama de Fusibles habitaculo; Diagrama de Fusiblera de motor * Los diagramas de fusibles del Ford Focus cambian con los años, selecciona el año de tu vehículo: home ford focus 2003 fuse box do not attempt to service repair or modify the air bag supplemental restraint systems or its fuses see your ford or lincoln mercury dealer children and air bags children must always be ford pcm wiring diagram also 2000 ford mustang wiring diagram ford f 150 pcm wiring diagram ford 5 4 pcm wiring diagram ford the idea is that i'd limit input power into the circuit itself to say less than around 12 watts (12 V x 1 amp) so that if an overload condition happens, the fuse blows and possbly prevent damage to the buck dc dc module etc. 0l gtdi) c utch relay trailer tow relay, parking lamp trailer tow relay, left turn atwu diode (2. 11 F1. I have a 2001 taurus wagon DOHC. That fuse handles PCM Module power diode, PCM power relay, Vapor management - Answered by a verified Ford Mechanic A diode in the fuse box under the hood has gone bad. Upgrading to Gen III LS-Series PCM: Air Conditioning Guide includes instructional photos, checklists, and step-by-step instructions on upgrading to the GM Gen III LS-Series PCM, ECM, Electronics, and POWERTRAIN CONTROL SYSTEMS Dont forget to place amp meter where you can see it while its reliably connected the neeaded way) 7)When found,fuse that drps amperage to near zero Look what is that circut braker for and look for problems in that component. 7V at the PCM when it should be 8V. Your vehicle deserves only genuine OEM Ford parts and accessories. 1999 - 2003 7. It has to be the coil or something with the diode. 41 keeps blowing. 4 F1. 8 Fuse Box Diagram. 7l tivct) stoplamp relay (edge) 94 74 51 93 71 92 70 48 91 wiper relay 67 45 72 50 rea r window defrost relay blower motor relay starter relay The 2005 Ford Escape has 108 problems reported for computer (pcm) failure. If you replace the blown fuse with a Checked inertia switch/ok. If the starter seemed sluggish, that has nothing to do with PCM, you will have to check the starting/charging circuit. relay half. 1 (15A) – Radio, Video Cassette Player, Rear Seat Entertainment (RSE) Module, Rear Integrated Control Panel (RICP). Went from 10 amp to 20 amp just to get it home. Regardless of which type of fuse your car uses, finding the best fuse and accessories for cars and trucks makes repairs and replacement easy. com In this video I demonstrate how diodes work in a manner you may not want to try at home. 3L Powerstroke Heavy Duty Trucks the PCM is located behind the fender liner in the drivers side front wheel opening. There may be several fuse boxes or blocks in a vehicle. 8 PNK 0. PCM Power Relay, Powertrain Control Module (PCM) 10: 20: See Fuses 15 and 18 (IP Fuse Panel), Starter Relay: 11 — Not Used: 12 Diode: 20: Diode Current Flows from Fuse 22 to PCM Power Relay: 13: 50: See Fuses 5, 9, and 13 (IP Fuse Panel) 14 — Not Used: 15: 50: See Fuses 1 and 7 (IP Fuse Panel) and Fuse 5 (Power Distribution Box) 16: 20 The PCM power relay is the furthest most relay opposite of the PCM diode; unfortunately, from the old diagram that I am reading, I cannot tell if it is the front or rear of the battery junction box. Of course vautozone does not have one possibility a dealer item or grab a pocket full from junkyard. Found PCM fuse blown. The diode supplies power to operate the PCM Power Relay. The capacitor(s) serve to speed switching and protect the PCM’s internals. This means you would have to purchase a fuse holder and solder in a fuse holder on the blue wire. If you don't understand any of the points in this discussion, you can contact Colin Mitchell. See it? Drawing 2: One more common short is the Alternator, at Link A below blowing fuse, below. Measure resistance between Circuit 361 (R) at PCM relay connector and Test Pins 71 and 97. A semiconductor diode, the most commonly used type today, is a crystalline piece of semiconductor material with a p–n junction connected to two electrical terminals. For your viewing and printing pleasure, you can download the PDF of this page here: Instrument Panel Fuse Box (1994 Ford Ranger) PDF. Buy Ford F5TZ-14A604-A Diode Assy: Diodes - Amazon. How To Check A Diode Using A Digital Multimeter Top diode testing tips on youtube!! Klown How To Use A Multimeter To Test a diode . (I swear it wasn't burnt before, checked the fuse and all cigarette lighters and confirmed power) After replacing the cigar fuse the DLC powered back up and the fuel pump works now. If your car features the most common type, a rectangular blade, it is contained in your car's power distribution center. It routes power through the PCM Power relay coil. Value 12v Modified Sine Wave Diode Mini Blade Type Fuse Diode Mini Blade Type 1 Amp Bx10. These diodes consist of an n-channel JFET-transistor with the gate shorted to the source, 94 YJ PCM Pin desc? My PCM is just not working, PCM is good, want to make sure grounds and power is too. I bet is blown. 3. Every thing I can see is stock no power amps for radio or anything out of the ordinary. CarComputerExchange. In this case, a uni-directional TVS-diode is sometimes added in series with the flyback diode, connected anode to anode (or cathode to cathode). In high-power applications, it also eliminates the As Andy aka pointed out, sometimes a higher voltage than what is allowed by a diode alone is desired for faster turn-off of the relay (or other such as solenoids, flyback transformers, etc. PCM power relay K107 AIC clutch relay K36 LOW beam relay K37 High beam relay Horn relay Junction Box (BJB) (14A003) C904 C61 AIC Compres- sor clutch di Starter relay diode K22 Starter relay (11450) K46 High speed en- gine cooling fan relay K45 Engine cooling fan relay CDN Daytime Run- ning Lamps (DRL) relay C50 C51 oo C465 00 C53 00 C54 C69 V-8 g Blower Motor Resistor Thermal Fuse Replacement: Have you ever started your car up in the morning only to realize that your heater fan doesn't work on any of the slower settings but does work on high speed? Official Site of Painless Performance, American Made wiring harnesses for your hot rod, street rod, muscle car, off-road and everything in between. 8V (key on and not cranking). Just trying to understand where the reverse ,high voltage, enough to blow it came from. The 92-95 power is distributed as follows, The Key Ignition feeds power to the IG-COIL. A/C Clutch Diode? Venture Car Forums . Ford-E-450 – fuse box diagram – power distribution box № 2011 Ford Escape Fuse Diagram 2011 Ford Escape Fuse Diagram Ford Escape Fuse Diagram for Battery Junction Box and Smart Junction Box. If I then use the power windows that 227 fuse blows?? Any help  Fuse Box Diagram Ford Mustang Coupe and Convertible (2005, 2006, 2007, 2008, 3, 10, Wiper power/Blower motor relay 54, 10, 2005-2006: PCM delay. look on fuse diagram cover for 30 amp fuse that blowing see what circuit that fuse control or look in dash owners manual see what the 30 amp fuse control see what causing it to blow. When I replace the diode with a small jumper wire, the truck starts and runs fine. The power distribution box contains high-current fuses that protect your vehicle’s main electrical systems from overloads. Battery Circuit Architecture Bill Jackson ABSTRACT Battery-pack requirements have gone through a major evolution in the past several years, and today’s designs have considerable electronic content. They vaguely resemble the plug of a power cord, with two metal prongs emanating from a plastic housing that contains the wire. Camry Electrical Wiring Diagram. Mustang Wiring, Fuel Injection, and EEC Information, Use the information at your own risk. NOTE: You can find the fuse/relay diagram for the under-hood fuse box here: Under Hood Fuse And Relay Box Diagram (1997-1998 F150, F250, Expedition). . The complaint here is no air conditioner compressor operation. Our Ford parts and accessories are expedited directly from authorized Ford dealers strategically located all across the U. The fuse box is located on the driver side of the dash. Disconnect PCM and inspect for damaged or pushed-out pins, corrosion and loose wires. Here is a 2002 Saturn L300 with 78,865 miles on it. Starter relay. The fuse burns out at 20 amps, which is below the current that might damage the circuit. There's obviously a dead short somewhere, finding it is the trick. To ensure reliability, purchase Ford part # F5TZ-14A604-A Diode Assembly with base parts number 14A604. Each component is identified and there is a legend below. and are The EEC Power Relay not only supplies battery voltage to the fuel injection computer (also known as the E. In a diode protected relay, Mini relays must be pin 85 (+) power, pin 86 (-) ground / Micro relays must be pin 2 (+) power, pin 1 (-) ground. Re: ECM/IGN Fuse keeps popping, won't start 07-15-06 06:26 PM - Post# 969486 In response to sedandelivery55 There's quite a few items on that circuit. Pull the PCM relay and verify you have power to the relay, (pin #5 should always have power), (pin #1 should have power in run or start), if not, check the PCM diode to ensure it hasn't failed. Browse your favorite brands affordable prices free shipping on many items. was driving down the road and every warning light possible started flashing and car died . Replaced and a few days later leaving home about a block away it blew again. Certain Ford vehicles incorporate the Passive Anti-Theft System (PATS). There are two fuse boxes on the Ford Ranger: one is located under the hood, while the other is found underneath the driver side dashboard. On 1995-1997 Ford 7. Both of these wires along with some others tie to splice S123 supplying power to other things. com is an online retailer of pre-programmed engine computers (ECM, PCM, TCM) with thousands of happy customers across the world. Wylie is a friend of mine and he posted on my behalf. Ford Explorer - 2004 Fuse Box Diagram. I have a problem with 227 'radio ABS Mdule', it had a 3amp fuse in to begin with (which had blown) so I replaced it with the stated 5amp but that also blows. How can you tell if its good. The diode allows voltage to flow in only one direction, toward the pcm relay. I am considering swapping them and drive the MM around and see if it stalls but have the good diode with me. 20 F1. The EEC Power Relay is easy to recognize because it's usually a brown color. Im only getting 2. \$\begingroup\$ Wow - thanks for editing my post and the very quick replies. Fuse box in engine compartment Ford Fusion. A DVOM placed on “diode check” can be used to check the secondary winding connection on diode-equipped coils. 3L engine (if equipped) Ford Ranger – fuse box – power distribution Bayliner Capri Fuse Panel/Board – Fuse Symbol Map Related diagrams: Bayliner Capri 2003 Fuse Box/Block Circuit Breaker Diagram Bayliner Capri 2004 Electrical Circuit Wiring Diagram Fiat Doblo 1999 Engine Compartment Fuse Box/Block Circuit Breaker Diagram Saturn SW2 2005 Fuse Box/Block Circuit Breaker Diagram The 1997 Ford F-150 has 2 different fuse boxes: Passenger compartment fuse panel diagram; Power distribution box diagram * Ford F-150 fuse box diagrams change across years, pick the right year of your vehicle: 99 Ford Explorer Fuse Diagram (Interior and Engine Bay) Location, Description, Identification plus Image Locate identify which fuse or relay is blown it may be located under dash under hood in trunk find the fuse for the radio tail light cigarette lighter blinker ac horn kesoto 5PCS Automotive Air Condition Diode Fuse Blade Style Fuse for Car RV Boat Auto More Buying Choices $7. PIN diode and preamplifier are assembled on lead frame, the epoxy package is designed as IR filter. 2009 Ford F150 Fuse Diagram 2009 Ford F150 Fuse Diagram Ford F150 Fuse Diagram for Battery Junction Box and Smart Junction Box Fuse Diagram. Another red power wire goes to pin 71. For Non-Marauder -05 panther owners, the ability to monitor engine RPMs is lacking with the factory instrumentation. The gauge sweep says possible power interruption and could be as simple as bad grounds or power terminals or low battery. On 1999-2003 Ford 7. Not allowing voltage/current spike in the opposing direction toward the pcm. Also includes links to relevant forum topics on the code. Use care when disconnecting the alternator output wire; make sure the battery is disconnected first. Blower motor relay. Being an electric car now, I simply bypassed the relay and ran a wire from the battery to the fuel pump relay socket. The shop already did some testing and came up empty. I have a 1999 f250 7. Rev. Diode Mini Blade Type 1 Amp Bx10. 502. The grey signal wire from pickup to PCM shows 0. This 2011 Ford Escape Fuse Diagram post shows two fuse boxes; the Battery Junction Box/Power Distribution Box located under the hood and the Smart Junction Box/Passenger Compartment Fuse Panel 11-1 Fuse and Relay Information Crown Victoria/Grand Marquis ’04 Battery Junction Box (BJB) (14A003) PCM power diode F1. Powertrain Control Module (PCM), Fuel injectors, NGV fuel Diode. The location is usually given in the car handbook. !980 - 1987 fuse box diagram. Pin 25 is the blue wire you can ohm test from end to end to be sure the A diode is a very simple device and it has a lot of applications. Checked fuses. Consumer Fuse rating 1 Driver'sdoorcontrolunit 25A 2 Diagnosticsconnection 10A 3 Brakesystem(valves) 25A 4 Brakesystem(delivery pump) 40A 5 Terminal87(2a)engine M272 Fuse Panel Layout Diagram Parts: trailer tow park lamp, ignition switch, powertrain control module, fuel pump relay, main fan relay, high mounted stop lamp, powertrain control module, antilock brake system, speed control, brake pedal position, instrumentr cluster, diagnostic connector, power mirror, power door lock, power seat, hazard mirror, sunroof, power window, low beam relay, cigar I'm still driving the MM as can't trust the LX for now. Fuse Legend. Circuit Board Testing Ac Ford Expedition UN93 (1997 to 2002) fuse box locations and fuse box diagrams including fuse list and amperage. 200 PCS 10 Value 1W Power Zener diode Assorted Kit (1N4728, 1N4729, 1N4730, 1N4731, 1N4732, 1N4733, 1N4734, 1N4735, 1N4736, 1N4737 )with Hard Clear Box: Amazon. (Uninterruptible Power Supplies) UPS FUSE This speed control uses a zero-loss solder-drop fuse for the highest perforrnance, coolest operation, and elimination of the need to replace a fuse or schottky diode if you accidentally connect the speed control to the battery backwards. At least not without safety glasses and hear Re: Ford F150 PCM Power Diode 1FB I orderded one from dealer. The Haynes diagrams show a diode, but Ford say there isn't one. 0 to go bad and what are the symptoms? My car has 120000 miles. Average repair cost is $2,050 at 101,900 miles. The computer is now reset. This is a very helpful in the diagnosis and repair arena, as long as the proper computerized tools are used. Below you will find an image of the interior or central junction box. The Volvo connector pin #8 voltage is supplied on a red/light green wire through NC #8 into the BJB which is connected to fuse #9 (10A) and then internally to the base of the PCM Power Diode. This security feature immobilizes the vehicle by disabling the fuel pump, injectors and possibly the starter, until the ignition key relearn is performed on the car. Key-on, the orange power wire from PCM to pickup shows 0. Our highest goal is to go above and beyond for each customer by providing the fastest turnaround time in the industry with exceptional customer service. Q: What would cause an ecm diode on 2011 Ford mustang 5. I understand at a high level what the circuit is doing and that there's the two independent ways of activating the light relays - through the light switch or when flashing the high beams - but I guess what my real question is - specifically what are the diodes doing, to ask it this way - if you removed the alternator diode leakage, connect the multimeter in series with the alternator output terminal when the car is not running. Fuse boxes, also known as fuse panels, house all the fuses to run all the electrical components of a vehicle. I have a 2017 hyundai santa fe. Diode Protection. Fuse Panel Layout Diagram Parts: Fuel Pump relay, switched system power relay, starter interupt relay, liftgate wiper relay, horn relay, PCM relay, maxi fuse, windshield wiper relay, A/C clutch relay, A/C clutch relay, PCM diode. 2001 Jeep Wrangler \"no fuse\" displayed in odometer All of my gauges, interior lights and the radio went dead, no turn signals or hazard flashers as well. to owner generated reviews, discussion, tech tips, and more! The #1 Ford Explorer enthusiast resource on the Internet since 1996. The electronic control module (ECM) -- also called the powertrain control module (PCM) or electronic control unit (ECU) -- is a computer which controls the electronics in an automobile. The circuit that is blowing the fuse is circuit 361 (red in color) which powers a whole host of PCM controlled components. At Module Experts, we lead the industry in finding new and innovative ways to repair and remanufacture Powertrain Control Modules. Reverse-Polarity Protection in Automotive Design. I've since determined that the 20A PCM fuse has blown; I replaced it from one of my "fleet" in the back yard, and it blew again. A diode is like a one-way valve that allows an electrical current to flow in only one direction. Power distribution box. 71 (1 new offer) D DOLITY 10 Pieces Automotive Relay Air Conditioner A/C Diode Fuse Relay for Original Car Buick The 2006 Ford F-150 has 3 different fuse boxes: Passenger compartment fuse panel / power distribution box diagram; Auxiliary relay box (with DRL) diagram Available in circuit board style or mini fuse style, which connects to mini fuse holders. Symptoms of Wear or Failure of the PCM (Powertrain Control Module) I have the 92, 94, & 96 PDB lay-outs and the relays are in same position in 95 as in 96, but in 96 at Maxi-Fuse #22. A10 CHECK PWR GND CIRCUIT CONTINUITY. The power train control module on a Ford controls every aspect of the vehicle's engine, transmission, clutch and electrical and fuel delivery. This fuse provides one of the power circuits to the PCM (though I'm not sure what it feeds internally), and also the injectors and coils. 19 F1. 3 liter Turbo Diesel engine and automatic transmission. This code is a generic trouble code, meaning it applies to all vehicles equipped with  16 Aug 2010 Re: MK6 fuse, relay and diode locations/ratings. It is known as current-limiting diode (CLD), current-regulating diode (CRD). com. put new alt on new battery still no charge coming from alt. Fantastic. nosebagni. Fuse 19 powers the injectors so even if it cranks it will not start. 3L Powerstroke Superduty Trucks the PCM is located in the cab behind and to the left of the emergency brake pedal. Cigar lighter / power outlet fuses in the Mazda B-Series 2002-3003 are the fuses #17 (Cigar Lighter) and #22 (Auxiliary Power Socket) in the passenger compartment fuse box. 4V from a The blade fuse is a common type of automotive fuse that has come into use in the last 20-30 years. Powertrain control module (PCM) power relay. The power train control module monitors the drive train system. Chassis Ground 3. The under-dash fuse/relay box is commonly referred to as the Junction Box Fuse/Relay Panel in the Ford repair service literature. 2003 Ford F150 Interior Fuse Box Identification. On sale! Online A diode vacuum tube or thermionic diode is a vacuum tube with two electrodes, a heated cathode and a plate, in which electrons can flow in only one direction, from cathode to plate. If that relay coil doesn't get power, neither does the PCM, hence NO CEL with key to Run. Automotive diodes can be placed in a circuit to block voltage spikes in air conditioning fan motors, power window motors, clutch coils and starter motors. The coil packs get power from three sources off the PCM. Heat the solder pad around the diode leg until the solder is molten, and then gently pull the leg through from the other side using pliers. If it blew a fuse, then something somewhere is shorted, or possibly alt. From dash fuse 7, the circuit branches to the PATS module (above the fuse block), then goes thru the firewall to the PCM Power Diode, and continues to the noise capacitor, to all the coils. thanks much in advance 2000 Ford Taurus, A/C Not Working, Fuse #28 / #128 Blows, 2001 ford taurus fuse box; 2001 FORD TAURUS PCM FUSE BLOWING, 2001 ford taurus fuse box; Electrical problem 2001 Ford Taurus 6 cyl Front Wheel Drive Automatic 100000 miles; 13 Replies. Specifications subject to change without notice. Heated backlite relay. 5. Check engine light on and" check gauges " showing on the panel. 2. The chart I was able to locate says fuse 7 is for the PCM Power Diode and the Ignition Coils. o liter engine was towed in with the complaint that the engine would not crank. Ford Repair and Maintenance, 1999 ford f150 fuse diagram trailer tow running lamp relay, charge air cooler pump relay, PCM power diode, A/C clutch diode, Extend Legacy PC/104 (ISA) Support to 2021 with Advantech’s 3. Unsolder one leg of the diode if it is part of a circuit, otherwise the other components in the circuit may affect the results of the test. How Do I Tell If My PCM is Bad. You are way too quick to suspect the PCM unless you think you have done something to it. A Zener diode is known as a constant voltage diode, due to the fact that even if power supply voltage varies, the Zener voltage remains at a constant level. The ignition switch behind the key switch looks good. Two-wire systems typically have one or more capacitors placed in parallel to the coils’ collective power supply. Leave PCM disconnected. He left the plug on the hpop off accidentally when he started the truck and noticed a lot of smoke from the tailpipe and saw that oil had splashed all over the engine. ) as the 2004 TrailBlazer?. Fuse 20 powers the PCM so no power from that source will have a detrimental effect, but there are other sources of power to the PCM so I don't know the impact. See if the capacitor looks burned. At times, you may want to perform a reset of the Ford PCM for basic troubleshooting. Blown Fuse Replacement Replacing a blown fuse is simple. Replace PCM fuse. com What's the diode fuse on a 1993 Ford Jason, Diode is the voltage leg that goes to the coil side of power control module power relay. This is a repair service for the Powertrain Control Module, (PCM) or ECM from a Ford Taurus, 2010 through current year, that has been damaged by a failed ignition coil. If it was that high a voltage would it not have blown a fuse first. This process is called rectification. 01 gtdi) compressor clutch diode (3. Think how jealous you’re friends will be when you tell them you got your fuse & diode on AliExpress. it shows "Diode Current Flows from Fuse 22 to PCM Power Relay" in 95 @ same location, the maxi-fuse is described as "U, Ignition Sys, PCM Power Relay Coil" beleive Ford moved the Diode from PCM to PDB in 96. Leakage current should be a couple of milliamps at most; more often, it will be on the order of 0. 8 PNK B 0. If you did not reset PCM it was likely running in open loop mode. Fuse Panel Layout Diagram Parts: A/C heater, remote keyless entry module, powertrain control module, PCM power relay, electroni brake, power seats, power lumbar seats, blower motor relay, ignition switch, fuel pump relay, trailer battery charge relay, trailer adapter battery, trailer back up lamp relay, traile running lamp relay, plug in diode, stop lamp, trailer running lamp, DRL module, horn A diode is a one way electrical gate. If you can remember whether you popped PCM I or PCM B it would be an immense help. What does this mean and any ball parks on fixing it? Thanks so much! Notorious 2005 Ford Escape, PCM repaired coil drivers, now it will not start so NO It is not the fuse) We tested the DLC pins, high speed 6 and 14 are in the Since 1987, PCM, a division of Insight, has been a leading provider of IT products, services, solutions to businesses, government agencies, educational, institutions, and healthcare facilities. ). Measure resistance between battery negative post and Test Pins 25, 51, 76, 77 and 103 at the breakout box. At the PCM relay socket at the junction box checked constant power to where pin 30 goes and it's ok, checked ground where pin 85 goes, and it's grounded, checked where pin 87 should go and seems ok but the slot where pin 86 goes is dead, no power in there even with the ignition in ON position. I have lost power to several cavity's #14 that supplies power to the A\C Heater controls is one of them and seems that it jumps to supply power to others. When I take out the A/C Clutch Relay, the fuse does not blow. You can check this with an ohmmeter. Detailed information for power distribution box, and relays. Specialists in DC Power Distribution for OEMs and Upfitters All that happens when the key is turned to "start" is the dash lights go out AND they come back on when key released to "run", which is normal operation EXCEPT the engine should turn over and attempt to start in the "start" position. LOCATE and REPAIR the open circuit between the PCM module power supply diode and fuse F1. I am sure quite a few of these units have found their way to a trash can, with their only issue being this blown fuse. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. USA - ENG (Light Emitting Diode) Lenses. com ✓ FREE Flameer 10pcs Air Conditioning Thermal Diode Automotive Fuse Relay for Car Truck. I found a blown 2 amp inline fuse in the power supply, which can be disassembled (with the help of a drill). 3L Power Stroke Diesel - PCM Diode keeps blowing - My dad's 2000 xlt 4x4 will not start anymore. Easy to use parts catalog. com with info. The fuse is just in case the wire gets pinched or shorted out, the fuse will blow instead of the wire burning up. Power supply is provided via three methods: direct battery power supply, ignition switched power supply, and switched system power supply. Often, the box is half hidden under the dashboard or in the front knee-well. The power distribution box is located in the engine compartment near the battery. With the lowest prices online, cheap shipping rates and local collection options, you can make an even bigger saving. The video above shows how to replace blown fuses in the interior fuse box of your 2008 Chevrolet Uplander in addition to the fuse panel diagram location. If you have power to the relay and it functions, check to see if you have spark when cranking. The PCM relay sends voltage to the PCM, injectors, pump relay, MAF sensor, O2 sensor heaters etc etc. 2 - PROGRAMMABLE CONTROL MODULE: LONMARK MKT-0244 MPC-2238 ©2009 Phoenix Controls. At Ford Auto Computers you can find accurate ECM, ECU, PCM, TCM for your vehicle. Powertrain Control Module (PCM) 12. Power distribution box Ford Ranger 2001-2009. 8 Fuse Box Map. 2 SymbolDescriptionK4Fuel Pump RelayK22Starter RelayK26Fog Lamp RelayK73Blower Motor RelayK107A/C Clutch RelayK140Wiper Run/Park RelayK163PCM Power RelayK316Wiper High/Low RelayK317Windshield Washer RelayK335Trailer Tow RelayK337Fog Lamp Isolation RelayP93Battery Junction Box (BJB)V34PCM Module Power Diode Ford Ranger 2005 Power Supply Junction Fuse Panel/Board – Fuse Symbol Map Related AutoZone Repair Guide for your Wiring Diagrams Powertrain Control Module (2001) Powertrain Control Module (pcm) Power Diode It still has to be powered for the engine to start. I found a blown 30amp fuse for the PCM in the passenger fuse box. The generic trouble code P2509 power input signal intermittent refers to an engine with an intermittent electrical signal to the Electronic Control Module (ECM) otherwise also known as a PCM or Powertrain Control Module. Fuse Panel Layout Diagram Parts: subwoofer amplifier, trailer exterior lamp relay, horn relay, lighting control module, air suspension compressor relay, air spring solenoid, Starter relay, head lamp, starter relay, generator, radio amplifier, police power relay, daytime running lamp, PCM power relay, cooling fan relay, rear window defrost relay, trailer turn, battery charging relay, police Fuse Box Diagram Ford Explorer and Ford Explorer Sport (UN105/UN150 - 1994-2003) This 2010 Ford Explorer with a 4. SInce theres no fuse for the O2 sensors, there must be a break in the wire between the PCM relay & the splice to the O2 sensors. Tutorial Automotive Electric . Lincoln Mark VIII. Inspect for damaged or pushed-out pins. Service as necessary. I've replaced that, and still no start Step six, if the injectors do not get the signal to fire, the PCM or the IDM may be bad or have no power. Automotive Diodes and MINI Diodes from Waytek perform uni-directional current blocking in a Power Diodes are available in circuit board style or mini fuse style . Home; The Maximum power each power point can supply depends on the fuse. Swapped relays back and put in another fuse which again popped immediately. Additionally when the key is turned from "off" to "run", the PCM fuse blows, as in, as soon as power is applied. It does have the same diode looks like a fuse found in the power dist box. com - Find and search your favorite wallpapers and download in the best possible quality for free The power distribution box is located in the engine compartment. This is the most common problem with the PCM/ECM from pcm power relay run/ start relay rear washer relay evapcp diode (2. Replaces existing original equipment electrical connectors, sockets, and harnesses. From some reading I am leaning to it being the AC Clutch Coil or the wiring to the coil. TEST the system for normal operation. In my very first reply I said to check fuse r in underhood fuse box as that sendspower to pcm relay not fuse 20 inside car. I then checked my fuses and my PCM fuse was blown, I replaced it and when Then I returned the ignition coil and pcm relay fuse#30 and tried to start, the  Error Code P0690 is defined as ECM/PCM Power Relay Sense Circuit High. I know it sends the voltage for the secondary air injection pump 1 Answer. The defective ECM-power relay is removed from the control box by pulling it straight up and out of socket. I have tested the relay and it tests ok. What's the diode fuse on a 1993 Ford Jason, Diode is the voltage leg that goes to the coil side of power control module power relay. The odometer displays "no fuse" intermittantly with the mileage. Once this happens the diode will blow within a few days and require replacemen We apologize that this item is not available for pickup in store at this time. Power for the PCM comes from the PCM relay in the battery junction box, through fuse 5 also in the box, on to a red wire that goes to pin 97 of the PCM. many thngs controlled by 30 amp fuse pcm power relay, power windows. com Fuse box diagram (location and assignment of electrical fuses and relays) for Ford Ranger (1998, 1999, 2000, 2001, 2002, 2003). Wire it once and wire it right with Painless. Protection Diode And Spike Suppression Resistor For Automotive Relays Labels: fuse box, lincoln fuse box, power window fuse, town car fuse box Crown Victoria / Grand Marquis INTERIOR fuse block 2001-2002 Crown Victoria / Grand Marquis INTERIOR fuse block diagram Hello. It would cause AC to be sent, or overvolting. Make sure you know where the fuse box is fitted in your car. If it is blown or otherwise has an open circuit in the wiring back to the PDB, the PCM POWER DIODE will not receive power in RUN or START, the PCM POWER RELAY won't energize, the PCM will never get power, and you'd have a 6000 pound driveway ornament. A9 CHECK CIRCUIT 361 (R) FROM RELAY TO PCM. Still would not link. Previously, most vehicles also contained small glass cartridge fuses. I do not hear the click of the AC compressor turning on. My car has a manual transmission. when a fuse blows you have a short or something shorting out in that circuit. I've always tested diodes by checking the Coil On Plug Ignition: The Wired Differences 1. Finding a blown fuse is not always easy. Is the coil wired correctly? Is the fuse your using the correct size and type (slow). This 2009 Ford F150 Fuse Box Diagram post shows two fuse boxes; the Battery Junction Box/Power Distribution Box located under the hood and the Smart Junction Box/Passenger Compartment Fuse Panel Diode and Thyristor Modules SCR Power Control SCR Module, 16 A, 100 V SCR Module, 50 A, 800 V Thyristor Devices & Modules Find SCR module Back to back SCR module Power Diode and SCR Modules SCR Diode Module Power Modules | Standard SCR Power Modules Medium and High Power Diodes-Hockey PUK Standard Recovery Hockey Pucks DIODE, STANDARD, 6A, 200V What is the purpose of the PCM Diode located in the underhood fuse box. Light Pipe Products. where is the PCM power Diode? no power to fuel pump or inertia switch This fuse is too large to protect the PCM from a field wire short. Nothing else is on that fuse. Last, the PCM power relay may be bad. 9 30 PCM Power Relay, Powertrain Control Module (PCM) 10 20 See Fuses 15 and 18 (IP Fuse Panel), Starter Relay 11 Not Used 12 Diode 20 Diode Current Flows from Fuse 22 to PCM Power Relay 13 50 See Fuses 5, 9, and 13 (IP Fuse Panel) 14 Not Used 15 50 See Fuses 1 and 7 (IP Fuse Panel) and Fuse 5 (Power Distribution Box) 16 20 Fuel Pump Relay I dont know what the hell is going on. Does this sound correct? If the diode(s) in it have failed only a test would likely detect that. Battery, alternator, wire harness/terminals. 81 volts to my Air Pump and thats what im getting when the pcm diode is in its place. Get the best deal for Computers, Chips & Cruise Control Parts for 2001 Pontiac Grand Prix from the largest online selection at eBay. Those go for about $170 to $200. Great resource if the lettering is worn off yours If the PCM relay or diode was the problem your truck would’nt run at all. It is generally a combined control unit,  25 Jun 2017 The PCM power diode is put into the fuel pump and PCM relay power circuit to prevent power surge feedback into the circuit called flyback  12 Aug 2011 For year 2000 the main power for the PCM comes from Fuse 10 (30 amps) via the PCM Power Relay which are both located in the Battery  29 Oct 2005 Electrical Systems/Wiring - PCM Power Fuse blowin - I have a 97 The PCM SINKS current from the Fuel pump relay to pick it (close contacts). After replacing the PCM, the engine may crank and even fire initially, but die almost immediately. The fuse panel is located behind a trim panel on the left side of the driver’s footwell near the parking brake. Towed truck home with my other truck ( 2 miles at about 10 miles/hr ) Scanner would not link to PCM. The cabin fuse panel houses the slots for the interior lights and accessories. Electronic Control Assembly), but also supplies power to the fuel injectors, the fuel pump relay, and a few other emissions related solenoids. We will cover some of its uses and explain exactly how it works in very simple terms. 2005 Chevy Trailblazer? - Does anyone out there know if the 2005 TrailBlazers are the same wiring and the same general layout (Body Style, Interior, Paneling, etc. Here is a link to where I have been trying to test it. Do you know what this fuse does and can you double check yours to see if the diagram is correct? For some reason, before the fuse blows the oil light on dash stays on perminately. Instead, just the solder will blow out of the fuse. The video above shows how to replace blown fuses in the interior fuse box of your 2006 Ford Mustang in addition to the fuse panel diagram location. My thoughts point towards blown fuse so start there, if all is good start by unplugging each of the modules one by one and pray you did not take out the pcm. Iguess I shold have sent a pic fuse 20 also supplies it and that is the one tha goes through the diode that roy has pointed out. Don't put a diode on the board *and* at the solenoid. 3V or 0. The PCM power diode is put into the fuel pump and PCM relay power circuit F-350: What could cause my pcm diode in my fuse box to be getting - Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website. Put in park, turn key and nothingno crank. (Page 1 of 6) MINI fuse 6 (10A) Permanent B+ to PCM through NCF #6 MINI fuse 7 (25A) Permanent B+ to Data Port through NCM #1 MINI fuse 9 (20A) Volvo RUN thru fuse to base of PCM Diode NCM #3 MINI fuse 11 (10A) Volvo START to Starter Motor Relay NCF #6 MINI fuse 13 (15A) Volvo START/RUN B+ to O2 Sensor power (from PCM power relay) NCF #8 MINI fuse 14 (30A How it's done: The ECM-power relay is verified that it needs to be replaced. 3 6 speed. except sometimes thr battery light will go off and will charge but PCM-7140-200 Laser Diode Driver Directed Energy's diode driver is suitable for any low-impedance load for laboratory, research, and industrial applications Directed Energy's PCM-7140-200 is a compact pulsed and QCW current source designed to drive laser diodes, bars, arrays, or any low-impedance load. Its a 1997 4. Description. 8 F1. Changed fuse. What is a PCM on a Lincoln LS? My sister-in-law bought a Lincoln LS and it wouldn't start this weekend and the dealership is looking at it and told her the PCM is not communicating. Since I have already changed the PCM I doubt this is likely to be the cause and the dealer has already ruled it out. Have you verified that the wires going to the coil pack are all good with no breaks or shorts? It may be a PCM issue. Pcm power diode in fuse box focus - 2001 Ford Focus - Fixya. I had a Diablo MAFia put on, then removed it and now Im back on the 90mm MAF. Install breakout box. The relay is located in the engine main fuse relay control box. It helps you to order Online or though Tele Ordering process with ease. 1973 - 1979 fuse box diagram. I am having issues with my PCM diode located in the fuse box under the hood. I start the car and turn on the air conditioning. Thanks. Can't really test anyway, the best way is swapping out a known good PCM as there are literally 500 things to be tested there. C. Ok. 6 early 6/24/96 build date. 5” PCM-9376 SBC Featuring Built-in Legacy Support and Intelligent Management Detailed information on troubleshooting and repairing a P0231 DTC code which has to do with low voltage on the fuel pump secondary circuit. The ignition switch directly carries much of the ignition switched power supply load. The switched system power supply is controlled via the GECM and the RECM from SCP messages. There is no claim to accuracy. Test 4: Do you have warranty coverage? Fuse Panel Layout Diagram Parts: blower motor relay, low to hi relay, heated mirror, A/C clutch relay, PCM power relay, starter relay, trailer tow relay, park lamp, trailer tow relay battery charger, run start relay, fuel pump motor diode, A/C clutch diode, stoplamp, trailer tow relay, reversing lamp relay, fuel pump relay. Check the PCM power fuse 30, the diode, fuse 34 and the IDM fuse 27 may be open, too. For some reason my PCM fuse keeps blowing, this is the 3rd one thats blown. Full power, all lights on. Key off. Here's the deal: Check/replace the PCM Power Diode. PCM. To remove the trim panel, slide the release lever to the right then pull the trim panel out. Latest update, I pulled a few fuses 1 by 1 to check for power & after pulling & replacing the ECM fuse, I noticed the cigar fuse was burnt now. The power train control module and engine control module are sometimes confused for one another. Replaced the ECM/EEC/PCM still blows the fuse. The requirements for these batteries include high discharge rates, low insertion loss from components in series with the cells, high-precision Fuse Box Diagrams and Relays - 2001 Chevy Venture There was a post in the automotive forums recently asking about what fuses are used for different circuits. I would assume PCM I, as that's a 15A while PCM B is a 20A standard. They needed answers fast. 05/16 ORDERING GUIDE The PCM is offered in a variety of configurations with varying numbers of inputs and outputs. Diode Dynamics Lighting Rectifier: A rectifier is an electrical device composed of one or more diodes that converts alternating current (AC) to direct current (DC). Look for a relay diagram or a relay schematic that is printed on the side of the relay to determine. If you cannot drive the vehicle without fixing the problem, and you do not have a spare fuse, take a fuse of the same rating or a lower rating from one of the other circuits. You can find the 1993 Ford Ranger fuse box location and description table here: Instrument Panel Fuse Box (1993 Ford Ranger). 12 volt power 2. Most stores can test them free. Using a diode as reverse power polarity protection as shown in Circuit 1 is a very simple and reliable solution as long as you can afford the waste of power. Last Updated on Sat, when the power is supplied to the fuse(s). Power Inverters . E. These unique partnerships have led to such innovations as the first small, fast-acting protective fuse in 1927, the first automotive blade fuses and the world's smallest SIDACtor(R) device. The Maximum power each power point can supply depends on the fuse. Up for your consideration to BUY IT NOW is a FOMOCO remanufactured engine ECU, ECM, PCM for '99 through '01 Ford F-250, F-350 Super Duty models with the Power Stroke 7. Of the for wires going to the coil pack, the one that is red/light green goes to the PCM power diode. change the relay in spot 31, that's the PCM power relay. Washer Pump Relay, Wiper Run/Park Relay, Wiper HI/LO Relay, Windshield Wiper Radio Noise Capacitor, Ignition Coil, PCM Power Diode, Coil On Plugs,   Powertrain Control Module (PCM) (12A650), Deactivator switch, Third row folding seat relay, left, Third row folding seat relay, right, Power litigate module, Brake  Cigar lighter / power outlet fuses in the Mazda B-Series 2002-3003 are the fuses #17 (Cigar Lighter) and #22 19, 25A, PCM Power Diode, Ignition, PATS. (the diode pack in the Alternator is shorted) Drawing 3 : Now the last drawing on this car , all IG-loads End IG-coil fuse blows, begin FI blows. 19 Oct 2017 RELAY MAP-Trailer Tow Battery Charge Relay-Rear Air Suspension Compressor Relay-PCM Power Relay-Fuel Pump Relay-Horn  relay half. But you may have to act fast as this top fuse & diode is set to become one of the most sought-after best-sellers in no time. 4. For eight decades, Littelfuse has been developing industry-leading circuit protection products by working closely with their customers. Here are some fuse box diagrams from my 2001 Venture and some pictures of of each fuse box. Consumer Fuse rating 24 Dieselengine,engine components/control unit,vehicleswithanat-uralgasengineNGT2 10A 25 12Vsocket(centercon-sole)fortiresealant 25A FuseblockF55/1 No. A diode which allows current flow in one direction but blocks revised maxi-fuses front wiper on,'off relay clutch relay rear relay horn relay front wiper hich,'low relay pcm power relay diode fuse zoa panel/circuit protection 11-2 RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. 5u3. These lights alert drivers to issues, but they alert technicians that diagnostic trouble codes (DTC) are stored in the PCM for retrieval and diagnosis. The PCM "catch code" is the 4 digits in large lettering. I have now decided to join your wonderful forum. A faulty voltage regulator can also cause charging problems. PCM Command primary current at common fuse/relay . When I split the relay the fuse to the clutch blew when the pcm cut the power to it. Fuse Block Cell Transmission Brake Switch 1 Hot In Run, Power Distribuðon Cell 10 Bulb Test And Stan Fuse Block Details cell 11 RED 3 Shift 080 PCM RED BLK CLEAR/GRY BLU OBD Il PCM RED BLK CLEAR/GRY BLU Distribution PIO Cell 10 RIO 0. but offers superior performance compared to a PFET or Schottky diode. Ford F-150 1997-2004 passenger and engine compartment fuse box location and detailed diagram. The chances are that with a battery-operated device you do not want to waste power, particularly if your supply voltage is already quite low and so the voltage drop of 0. They show fuse amperage by the color of the fuse, and a number marked on the exposed face. We also cover the Ford Ranger, Explorer Sport Trac, Mercury Mountaineer, Lincoln Aviator, Mazda Navajo, Mazda Pickups, and the Aerostar. If it's sending AC or overvolting it will absolutely blow the fuse. 5 milliamps. 22 using the wiring diagrams. pcm power diode fuse

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