Pcm B Fuse

To date, we are constantly monitoring the situation and acting with the best interest of all stakeholders in mind. there are three fuse's for the ( pcm ) powertrain control module ! engine brain ! two are in the under hood fuse/relay junction block. in the fuse/relay NOTE: For optimal performance choose an axle ratio and a tire scenter, sometimes called the “Check Engine Light” or “Service Engine Soon” light) which indicates stored fault codes. M50 G-II PCM Heater pdf manual download. All fuses are in the under hood fuse box. 3 15A Rear wiper. 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. Do not install a higher rated fuse. Check all fuses that power up the ECM/PCM on this. When the far rear electrical connector is unplugged the fuse wont blow. The Figures below are a few common fuse box diagrams, and what each fuse controls: Figure 8. ok so i have a 88 s10 4. Im having a bit of a hard time getting everything wired up in my new car. Symptoms of Wear or Failure * Vehicle failing to start or run * Check engine light showing codes that cannot be repaired. Always turn the ignition OFF when you are replacing fuses. The transmission itself, except for the valve body and speed sensor, is virtually the same as a full hydraulically controlled. Chevrolet Silverado 1999-2006: Fuse Box Diagram. A good starting point is always to check for technical service bulletins (TSB) for your particular vehicle. Powertrain Control Module Replacement Cost Comparison Your Mechanic. I have a 2001 suburban 2500 2 wheel drive, 6. Radiator Fan Relay in PDC. I usually isolate it by going through the wiring schematic and disconnecting areas of the circuit until I find the short. Fuse 15 in PDC powers the fan. Model/Part#: PCM-B; Condition: Part# Panduit PCM-B. These are noted as being for the Data link connector. D-Sub Connecter(Female)- you need the pins : $1. Fuse Box Diagram. Refer to the diagram and the following reference material for location of the various fuses and relays in the interior fuse box. 94 Buy on eBay. 4 — Blower motor relay. Joined Aug 30, 2011 · 2 Posts. 3L Power Stroke only) 119: 60** Hydraulic ABS, Air brake trailer tow fuse block: 120: 121: 60** Hydromax motor, Air brake trailer tow fuse block: 122: 201 — Washer pump relay: 202 — Wiper speed relay: 203. Floor Console Fuse Block The driver’s side instrument panel is located under the instrument panel on the driver’s left side. 3 20A Cooling fan. Fuse and Relay Location and Description. 3L Power Stroke PCM: 118: 30** IDM (7. Please, let me know which fuse in the fusebox is the PCM B fuse as they are not labeled and I have no manual as the 2001 SL1 was bought used. All PSI Harnesses are Made in the USA. 75 SWITCH - P. I get it all back together, and try to start it up. Another option to do an idle-relearn, which I haven't looked into on this car due to time, is turning on your accessory option with the push button start, and removing your PCM IGN fuse, then the PCM BAT fuse (if we have them in the underhood electronic center). Year of production: 2003, 2004. 15: 25 Amp: Passenger power lock/window switch - Located top right column in. VEH STOP and CHMSL Fuses, Trailer Wiring (LH, RH Turn and Stop Lamp) ECM 1 Fuse #15. Fuse #28 is PCM 1 and it is OK. Using the Electrical Wiring Diagram Body Electrical Diagnosis - Course L652 11 All loads, relays, switches, ECU-type controllers, capacitors (noise filters) and isolation diodes are treated as component parts in the circuit. A day after getting it home the ECM B fuse blew about 2 seconds after key-ing the ignition to the "run" position. When replaced, the left turn signal is fine but as soon as I engage the right turn signal the fuse. I also revised my earlier post, for any reason 2 sentences got lost. The company is committed to the development, manufacturing and marketing of innovative circuit and power electronics protection and power management products; and provides engineering, training and testing services globally for the electrical. I figured fuse 12 was blown but my cigar lighter and everything else works. The fuse block access door is on the driver's side edge of the instrument panel. E-1 connects to the Lt. HP Tuners, the home of VCM Suite and the MPVI since 2003. 2010-2020 – see fuses №25 (Auxiliary Power Outlet) and №73 (Cigarette Lighter). 1, PCM 4, PCM 4. How it's done: The ECM-power relay is verified that it needs to be replaced. The defective ECM-power relay is removed from the control box by pulling it straight up and out of socket. I recently cleaned the EGR and the SES light for that condition is still on. Winlyn Low Profile Mini Blade Fuse Assortment 140pcs Assorted Auto Car Truck 2 3 5 7. A man approaches me and tells me to check the fuses. We hand build every harness to fit exactly what your project needs and they actually form fit on the engine to make your wiring look and perform perfectly. fuse block 0 16a fuse 9 40a fuse 8 20a ignition switch run acc off start hot st/run hot at all times fuse wire side c16 d16 c1 d1 connect known good solenoids to harness from pcm solenoids gov. The PCM is considered the brains of the operation and when it's having complications, the rest of the vehicle will follow suit. Fuse 2 in PDC powers the fuel pump. Extra wire 5. Sure enough, a burnt ECM-B fuse. Then add in the Hot fuel module with new fuse and see if it pops. 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. Also when I put in reverse and turn key I do not here the fuel pump. F4 20A Engine management (PCM A) F5 20A Engine management (PCM B) F6 15A Exhaust Gas Oxygen (HEGO) sensors / Catalyst monitor sensor (CMS) (Bank B) F7 15A Coils 7-12 / Suppressor solenoids (Bank B) F8 10A Engine coolant level sensor (Bank B) F9 20A Injectors 7-12 / Mass air flow sensor (MAF) (Bank B) F10 10A A/C clutch Engine Bay Fuses Fuse. the other is pcm / ign fuse 10 amp. Again, just relay coil voltage. Joined Jul 17, 2009 · 11 Posts. Put in key and turn it to START, not run, and hold it there until you hear 2 chimes. I have a extra PCM for a late 99+ auto with a manual t-case. Ford TSB Article # 13-6-15 Issue Some 2011-2014 Mustangs equipped with a 5. • If multiple selections are listed (M/T vs A/T, Fed vs Cal, ect. A possible cause of these issues could simply be a faulty Power-train Control Module. Fuse and relay box. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. I figured fuse 12 was blown but my cigar lighter and everything else works. We also tried new fuses for the fuses that control PCM power because we heard sometimes they will show power across the fuse sometime but they have to high of resistance and don't let high enough voltage go to the PCM but that didn't help the. before testing, ensure that both fuel related fuses have been replaced:-fuse (56) ecm 15amp-fuse (21) fscm 20amp steps to diagnose: 1. General Electric 6328054G31 40E Amp Expulsion Fuse EG-1, $ 89. Hey Everyone!. VSS types include: photo-optic, permanent magnet generators(The Vehicle Speed Sensor (VSS) is a magnetic pick-up that sends a signal to the Powertrain Control Module (PCM). There are 2 connections on the UHJB to the PCM, A-1 on the Brown 68 way plug and E-1 on the black 68 way plug. If there is one,I can't find itThe thing that makes me wonder is that there is a minute delay with the needle sweep. Each component is identified and there is a legend below. Sony Music Classic artists to today’s stars, local and global. currently working on a 2002 f250 with a 7. Both the PCM and the data link connector (The one you plug the DRB into) are powered up off of fuse #21 in the PDC (Power Ditrbution Center, the fuse block under the hood). JonC and Fitz-0518 like this. Electronic Control Transmission (ECT) The Electronic Control Transmission is an automatic transmission which uses modern electronic control technologies to control the transmission. and then there is one in the let hand instrument panel fuse box. Powertrain Control Module (PCM) C1 (BLU) Connector Part Information • PCM Connector C1 Assembly 12191489 • TPA (BLU) 12176408 • Connector Cover 12191108 Pin. The FRPDB contains all relays and fuses needed for engine cooling fan control. Fixed my no start problem. PCM B fuse derives its power from the battery, this is power that is on all the time. It was telling you that the pump is failing. The fuse panel is located below and to the left of the steering wheel by the brake pedal. Click this bar to view the full image. Mass Air Flow (MFS) Sensor. Once you sign in, follow these instructions to access our Repair Guides. If there’s already an RPM signal, wiggle the wiring harness so try and induce the fault. PCM, which puts you in the company of tens of thousands of boaters who have relied on Pleasurecraft inboards as their power of choice for over 30 years. Engine brake. In this guide you will learn how to access the fuse box panel, see a copy of the fuse layout diagram and the fuse assignment. Where Is The Temperature Sensor On Chevy. My question is has anyone else had this problem. We use the highest quality wire, brand new OEM connectors, weatherproof fuse and relay box. A password will be sent to your email address. PCM fuse box 04869200AM (highline) for Chrysler Grand Voyager 2002 ltd wanted. This provides optimal performance, fuel economy, and control of exhaust emissions. Swap Specialties 24x Standalone wiring harness for GM Gen3 4. VSS types include: photo-optic, permanent magnet generators(The Vehicle Speed Sensor (VSS) is a magnetic pick-up that sends a signal to the Powertrain Control Module (PCM). Function 1 BLK 451 PCM Ground 2 LT GRN 1867 12 Volt Reference- CKP Pin "C" 3 PNK/BLK 1746 Fuel Injector 3 Control 4 LT GRN/BLK 1745 Fuel Injector 2 Control 5 -7 -- -- Not Used. The company is committed to the development, manufacturing and marketing of innovative circuit and power electronics protection and power management products; and provides engineering, training and testing services globally for the electrical. Learn more. Using an ASCO 911 switch reduces wear on the overcurrent protective devices, provides more flexibility. I have a 2003 chevy tahoe and the PCM B fuse has blown twice and when it does it causes the car to die. BMW PRODUCTS. Look for relay diagrams or a relay schematic that is printed on the side of the relay to determine it's function. 0L V8 Diesel FICM Sale Price : $299. the first time this happened i was towing an explorer it blew about 20 miles into the trip, swapped the fuse to 30a made it home no problems. From the fuse box in the engine bay, pull the yellow #20 fuse. 3L Power Stroke only) 119: 60** Hydraulic ABS, Air brake trailer tow fuse block: 120: 121: 60** Hydromax motor, Air brake trailer tow fuse block: 122: 201 — Washer pump relay: 202 — Wiper speed relay: 203. I replace it and drive again. 2003 Ford F150 Underhood Fuse Box Identification. At Motorcraft®, we take the health and well-being of all our customers, employees, dealers and suppliers very seriously. The PCM Adaptive memory has now been flashed, or erased from the PCM. Ryan has 16 jobs listed on their profile. This is a Ford Fusion PCM (Powertrain Control Module) repair service for a 2006, 2007, 2008, or 2009 Ford Fusion 3. Jump to Latest I popped the hood to check the fuses/relays and found out the PCM B fuse is blown. Vehicle Control Module (VCM)Z Power train Control Module (PCM)- (from IGN 1 Relay) CHMSL Fuse #16. Buy 1997-2004 (C5) Corvette Computer Modules (PCM) at Zip. and then there is one in the let hand instrument panel fuse box. let it simmer for a few minutes, shut the accessory off, and reinstall the fuses. Awesome, thanks! My 2006 GTI has an interesting "quirk" though - SC49 (fuse panel C, fuse 49) is used! For some reason, the switched 12v wire for the headlight switch was run to fuse 49. I have Isolated it to the computer it seems. MOPAR 5033441AE Powertrain Control Module (PCM) ALL THE PARTS YOUR CAR WILL EVER NEED Show Prices In US Dollars ($) Australian Dollars (AU$) Brazilian Real (R$) Canadian Dollars (CAD$) Swiss Francs (CHF) Euros (€) British Pounds (£) Japanese Yen (¥) Mexican Pesos (Mex$) Norwegian Krone (kr) New Zealand Dollars (NZ$). The PCM will have at least two fuses feeding it. They found the fuse blown, but could not find a cause. ScatPak07 · Registered. If the ECM fuse keeps blowing, then there is a definite electrical short. Replacing Your PCM. Mercury Cougar Fuse Box Diagram Circuit Wiring Diagrams. I replaced the fuse and started the truck, it idles rough and has a hard time running, it only runs for about five seconds then dies. The power train control module monitors the drive train system. The instrument panel fuse block access door is located on the driver's side edge of the instrument panel. The leading provider of original equipment manufacturer (OEM) auto repair information for the professional automotive service industry. Reach under the center of the grille and press the hood latch. If a PCM has been flashed, they will attach a decal on it, saying "FACTORY AUTORIZED UPDATE" if it was done by a dealer. i know that i am a noob and i am taking certain liberties by asking such a question so early on in our rel. The Black Box is labled Fuse Relay Center, the diagram on the cap displays which Relay is the Fuel Pump relaythe Relay switch 1997 GMC Sierra 1995 GMC Sierra Ex cab 4x4. Troubleshooting the PCM is a complex job that requires some special test equipment that the average do-it-yourselfer does not have—nor is cost effective for them to purchase. my truck stalled. Other connector toward front has no affect. A-1 connects to the Lt. 96 / ea Out of Stock Panduit Wire Marker Card, Vinyl Cloth, 'L' Full Engineering. Parklamps, BSM, Instrument panel illumination. The Powertrain Control Module (PCM) detects the ignition switch position by a series of inputs, and controls the vehicle's operation based on this information. D-Sub Connecter(Female)- you need the pins : $1. with a unplugged and b plugged in it will blow fuse, but with a plugged in and b unplugged it will not blow fuse. A good starting point is always to check for technical service bulletins (TSB) for your particular vehicle. PCM pinout diagrams 2001 silverado (Thanks Banker099) This image has been resized. View Ryan B. 9 30 PCM Power Relay, Powertrain Control Module (PCM) 10 20 See Fuse 18 (IP Fuse Panel), Starter Relay 11 Not Used 12 (Diode) 20 Ignition System, PCM Power Relay Coil 13 50 See Fuses 5, 9 and 13 (IP Fuse Panel) 14 30 Rear Window Defrost 15 50 See Fuses 1 and 7 (IP Fuse Panel) and Fuse 5 16 20 Fuel Pump Relay 17 50 See Fuses 2, 6, 11 and 17. Notorious 2005 Ford Escape, PCM repaired coil drivers, now it will not start. The fuse for this wire is NOT in the underhood fuse block. This spark is used to ignite the compressed air/fuel mixture at precisely the correct time. 0L, Figure 1. If you do not have 12VDC at either contact for PCM B fuse, then you may have a problem with the fuse box. Fuses nomenclature is A-5, C-7, etc… Fuses List and Amperage Row A. Year of production: 2003, 2004. Unplug both the Relay and the hot fuel module, then put in the ECM B fuse - and reconnect the relay and check to see if the fuse pops (if it does the relay is bad). Using an ASCO 911 switch reduces wear on the overcurrent protective devices, provides more flexibility. Jump to Latest Follow 1 - 2 of 2 Posts. Done, the PCM is fully reset. The company is committed to the development, manufacturing and marketing of innovative circuit and power electronics protection and power management products; and provides engineering, training and testing services globally for the electrical. The car cranks but won’t start. I have a 2003 chevy tahoe and the PCM B fuse has blown twice and when it does it causes the car to die. You may be a service technician who wants to look for referrals or address existing problems. If you can access codes from the ECM/PCM, then the U0100 code is either intermittent or a memory code. Where ever you install the tachometer isn’t. The American Council on Education's College Credit Recommendation Service (CREDIT) connects workplace learning with colleges and universities by helping adults gain access to academic credit for formal courses and examinations taken outside the traditional classroom. Electronic transmissions are controlled by a computer, otherwise known as the powertrain control module (PCM). Fuse and relay box. Power Distribution Box Located Under the Hood. What is the cost to diagnose the P2610 code Labor: 1. Fuse Legend 1 (20A) – Power Point. Extra wire 5. Electronic Control Transmission (ECT) The Electronic Control Transmission is an automatic transmission which uses modern electronic control technologies to control the transmission. fuses are installed so that the PCM can learn the engine idle speed characteristics. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Use the engine compartment fuse block for this procedure. We also tried new fuses for the fuses that control PCM power because we heard sometimes they will show power across the fuse sometime but they have to high of resistance and don't let high enough voltage go to the PCM but that didn't help the. Center High Mounted Stop Lamp. has edge evolution installed in it and chip says pcm not responding, so unplugged that and hooked up scan tool and still no pcm connection. AGC Glass Fuse Asst by Performance Tool®. Measure the input power at the receptacle. When replacing the Powertrain Control Module (PCM) on a PATS-equipped vehicle, a parameter reset or relearn procedure must be performed after the PCM is installed. I traced the orange wires to the ecm to find that the ecm (when tested on the orange connection points ) shows a short. Fuse 1 in PDC supplies fused 12vdc to the combination flasher unit. Get the best deals on Engine Computers for 2002 Dodge Ram 1500 when you shop the largest online 2002 Dodge Ram Pickup Truck Powertrain Control Module ECM PCM | P56040202AD. I ran all the wireing only to realize my new car doesnt take mini fuses, it takes low profile fuses, my add a circuits wont work. The Advance Auto Parts core charge presented to you online today with your item is representative of the most common core charge. Joined Aug 15, 2013 · 120 Posts. Year of production: 2003, 2004. Mercury Cougar Fuse Box Diagram Mercury Cougar Fuse Box Map Fuse Panel Layout Diagram Parts Engine Cooling Fan Relay Daytime Running Lamps Low Beam Relay High Beam Relay Horn Relay Fuel Pump Relay Pcm Power Relay A C Wide Open Throtthe High Speed Engine Cooling Fan Relay A C Compressor Clutch Diode Starter Relay Diode Starter Relay. Jeep Grand Cherokee. Fuse 2 in PDC powers the fuel pump. And the silkscreens showing fuse locations in the various panel configurations never do show it but my rig has that fuse. 6L FICM Duramax Fuel Injection Control Module is Covered Under 1 Year Unlimited Mileage Warranty *Condition: New. Pricing and Availability on millions of electronic components from Digi-Key Electronics. What would cause this to blow. The most common failure is loss of power or ground. MOPAR 4606839AC Powertrain Control Module (PCM) ALL THE PARTS YOUR CAR WILL EVER NEED Show Prices In US Dollars ($) Australian Dollars (AU$) Brazilian Real (R$) Canadian Dollars (CAD$) Swiss Francs (CHF) Euros (€) British Pounds (£) Japanese Yen (¥) Mexican Pesos (Mex$) Norwegian Krone (kr) New Zealand Dollars (NZ$). | GMTNation. 1998-2002 3800 Series 2 OBD2 PCM wiring instructions for L36/L67 Fiero swaps Pin Wire Color Circuit Description Action Pin Additional Info 3 orn fuel level output control circuit delete 4 lt grn shift solenoid A control (1-2 shift sol) connect to A of4T65-E tra n sm ic e(ud) 5 dk blu high speed fan control connect to h ig sp edfanrly(u). open the driver door at the end of the dash pull off end panel, fuse box behind there. 7 Vortec Divine Speed Team. Check for an open circuit. What would cause this to blow. Fuse Legend 1 (20A) – Power Point. Opened the fuse box, to pull 11, 14 and 16, but there's no #16. This procedure also must be done whenever you do any of the following: • Disconnect the battery. Our new content-rich platform now features a blog with updated tech information, tips for successful stress-free installation, in addition to sharing customer experiences and the latest industry news. If fuse is ok, then check the input circuit breaker (CB1) for proper operation. The 2006 Ford F-150 has 3 different fuse boxes: Passenger compartment fuse panel / power distribution box diagram; Auxiliary relay box (with DRL) diagram (PCM) and climate control module. 0L GTDI or REFER to Section 303-14, Powertrain Control Module (PCM) - 3. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. Discussion in 'Chevy Trucks The PRNDL light is also off so you cannot see what gear you're in. Blown fuse. 3 when chargingThe car died while runningI tested every fuse in the car,all good. M50 G-II PCM Heater pdf manual download. A component that houses Fuses. 800-697-2533. … read more. The American Council on Education's College Credit Recommendation Service (CREDIT) connects workplace learning with colleges and universities by helping adults gain access to academic credit for formal courses and examinations taken outside the traditional classroom. cadman · Registered. 04 dodge ram 1500 5. The leading provider of original equipment manufacturer (OEM) auto repair information for the professional automotive service industry. you will also find the pin out diagram for the fuel system control module found on 2007 and newer gm vehicles. The PCM has a base frequency stored in memory for a distance of one mile. It runs to pin 21 of Connector #3 ( clear or greay) on the PCM. Check Fuse (F1). INJA Fuse #20. Searching for info about 2002 Chevy Trailblazer Pcm Location? you are right below. The PCM energizes the. 1860 2960 4700 4amps. 15: 25 Amp: Passenger power lock/window switch - Located top right column in. Sony Music Classic artists to today’s stars, local and global. Please call us if you do not see the part you need. 7L Ti-VCT No The system is operating correctly at this time. Put in key and turn it to START, not run, and hold it there until you hear 2 chimes. The PCM controls everything from air-to-fuel ratio to generating fault or trouble codes for critical vehicle systems. If you are picking up your order from your dealer, we advise contacting the dealer beforehand. 2003 GMC Sierra blowing pcm fuse Sign In My truck keeps blowing the pcm 20amp fuse. I traced the orange wires to the ecm to find that the ecm (when tested on the orange connection points ) shows a short. 2L) Things Needed: 1. The relay is located in the engine main fuse relay control box. 2 weeks 20 dollars later i received some low profile add a circuits, went to plug it in. Submitted by rinat on July 24. Whether you are looking for a guidance counselor, college guidance, or new careers, I specialize in offering a self discovery process far more hand tailored than traditional, generic online vocational, college, or career guidance services. I recently cleaned the EGR and the SES light for that condition is still on. Joined Sep 26, 2001 · 172 Posts. Pay particular attention to all power and ground circuits. ) or hall effect technology. And one of the 12VDC feeds to the Powertrain Control Module (PCM). Discussion Starter • #1 • Jun 7, 2010. A relay is an electrically operated switch. 00 2001 Dodge Ram Truck 5. Jump to Latest Follow 1 - 6 of 6 Posts. 3L Power Stroke PCM: 118: 30** IDM (7. Year of production: 2003, 2004. Check all fuses that power up the ECM/PCM on this. Winlyn Low Profile Mini Blade Fuse Assortment 140pcs Assorted Auto Car Truck 2 3 5 7. I tried another but as soon as I turn the key the wait light flashes and the fuse is blown again. A good starting point is always to check for technical service bulletins (TSB) for your particular vehicle. #35 15 amp in the interior box is called out for the PCM also. If any lights, accessories, or controls don't work, inspect the appropriate circuit protector. Joined Sep 26, 2001 · 172 Posts. Another option to do an idle-relearn, which I haven't looked into on this car due to time, is turning on your accessory option with the push button start, and removing your PCM IGN fuse, then the PCM BAT fuse (if we have them in the underhood electronic center). • Disconnect the PCM. Sent from AutoGuide. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. there are three fuse's for the ( pcm ) powertrain control module ! engine brain ! two are in the under hood fuse/relay junction block. All fuses are in the under hood fuse box. PCM B PRIME F/PMP Rela 02A RR DEFOG HDLP-HI Rela 20A 15A 20A 30A 15A Powertrain Control Module (PCM) Fuel Pum Heated Oxygen Sensors-before the catal ic converter Park/Neutral Position (PNP) Switch DEFOG Rela HI HDLP-LT Fuse,Hl HDLP-RT Fuse Heated xygen Sensors-after the catalytic converter IGN 1 Rela PCM 1 ETC/ECM IGN E RTD 15A 15A 15A 15A IOA 30A. Fuse Holders and Blocks Fuse Reducers Global Products Fuses Panduit PCM-L PAN PCM-L Pre-Printed,WM,. Fuse #28 is PCM 1 and it is OK. The PCM in a 1993 Deville gets power from the IGN fuse. Bogen Communications is a leading manufacturer and designer in the field of telephone paging, public address, intercommunications, and background music systems for over 80 years. Mazda B-Series (2005) - fuse box diagram Year of production: 2005 Passenger compartment fuse panel The fuse panel is located under the right-hand side of the instrument panel behind the kick panel. Please refer to section 1. Tried to start, nothing. I replaced it with another 10A and it started up and took me only about a mile before it blew again. PCM B 20amp fuse under the hood What is this for? Why would it be causing me to have a electrical power drain? Batteries are new Doing a parasitic battery drain test when I pull this fuse multi meter shown almost zero mA pulled. Welcome To The New HowellEFI. Pleasurecraft is the Electrical System Relay and Fuse Block. Parts should cost you $400-$1,500. i own a 1998 silverado z71 1500 crew cab (centurion) 5. 800-697-2533. 0 hour of labor. Function 1 BLK 451 PCM Ground 2 LT GRN 1867 12 Volt Reference- CKP Pin "C" 3 PNK/BLK 1746 Fuel Injector 3 Control 4 LT GRN/BLK 1745 Fuel Injector 2 Control 5 -7 -- -- Not Used. Blue 32 way plug at the PCM J-1 D-13 orange wire. Both the PCM and the data link connector (The one you plug the DRB into) are powered up off of fuse #21 in the PDC (Power Ditrbution Center, the fuse block under the hood). #30 drill bit 3. Fuse 14 in the under hood junction block should be the TCM, it is a 15 amp fuse, make sure it is hot. 4 20A Noise suppression cap. The PCM, or powertrain control module, in your Chevy truck serves as the on-board diagnostic computer for your vehicle. Does anyone know what "no bus" means, my car won't start after a rain or freezing rain and wondering if it has anything to do with this reading, also just had a full tune up and new battery, car will turn over just won't start. O2 A Fuse (Gas)/FUEL HT Fuse (Diesel) #3. Troubleshooting the PCM is a complex job that requires some special test equipment that the average do-it-yourselfer does not have—nor is cost effective for them to purchase. Fuse Legend 1 (20A) – Power Point. 465 740 1175 8amps. 109 40A Heater blower motor (19805), Auxiliary A/C relay F2. the other is pcm / ign fuse 10 amp. 3L powerstroke superduty xlt sc sb 4x4 offroad, pure turbos 360 turbo rebuild kit,. Go over the fuse again I think it's fuse 21 for the PCM. Comments ⇓ The electronic ignition (EI) system on the 3. Use the engine compartment fuse block for this procedure. A-1 connects to the Lt. 0L engine and built on or before 5/1/2013 may exhibit a MIL illuminated with any combination of diagnostic trouble codes (DTCs) P0300, P0301, P0302, P0303. The fuse circuit shows to be hot all the time. Call a friend, they bring a new fuse, it blows as well on the first turn of the key. I replaced the fuse and started the truck, it idles rough and has a hard time running, it only runs for about five seconds then dies. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. open the driver door at the end of the dash pull off end panel, fuse box behind there. Has any one found this fuse and tried the old reset deal after adding aftermarket parts? Anyway i think i pulled the right one but there isn't a fuse specifically for Pcm like on the. Also for: M80 g-ii pcm, M90 g-ii pcm, M105 g-ii pcm, M125 g-ii pcm. 0 out of 5 stars Great fit and price! Reviewed in the United States on October 22, 2017. Prices starting at $149 **ALL UNITS COME PROGRAMMED W/LIFETIME WARRANTY!! No more trips to the dealer!!** Ford 6. Pricing and Availability on millions of electronic components from Digi-Key Electronics. Supplier to GM. A power-train control module, abbreviated PCM, is an automotive component, a control unit, used on motor vehicles. 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. CM-14A068-B The FRPDB connects directly to the CM-14A006-A5LB wiring harness. The most common failure is loss of power or ground. Why does my pcm b fuse keep Why does my pcm b fuse keep blowing causing my truck to shut off when driving?ty (2005 Chevrolet Silverado 1500) When it shuts off my dash lights are on still but my power steering and brakes arent there. It also had an electrical short in the FICM harness that was blowing ENG-3 fuse intermitantly around 71k miles. Our extensive range of transmissions are used in pleasure boats, work boats and search and rescue boats by some of the world's best-known manufacturers. Cover off, diagram exposed. Try this, take the fuel pump relay out and put a new fuse in. PCM B PRIME F/PMP Rela 02A RR DEFOG HDLP-HI Rela 20A 15A 20A 30A 15A Powertrain Control Module (PCM) Fuel Pum Heated Oxygen Sensors-before the catal ic converter Park/Neutral Position (PNP) Switch DEFOG Rela HI HDLP-LT Fuse,Hl HDLP-RT Fuse Heated xygen Sensors-after the catalytic converter IGN 1 Rela PCM 1 ETC/ECM IGN E RTD 15A 15A 15A 15A IOA 30A. See the complete profile on LinkedIn and discover Ryan's. If you can access codes from the ECM/PCM, then the U0100 code is either intermittent or a memory code. 5L ECM-B Fuse. A possible cause of these issues could simply be a faulty Power-train Control Module. Put in key and turn it to START, not run, and hold it there until you hear 2 chimes. 2) Pop open the fuse box cover and remove the two 10amp fuses from position numbers 16 & 23. If there is one,I can't find itThe thing that makes me wonder is that there is a minute delay with the needle sweep. ” The other fuses will be used to power the transmission connector, O2 sensors, and the injectors. currently working on a 2002 f250 with a 7. I tried another but as soon as I turn the key the wait light flashes and the fuse is blown again. Other connector toward front has no affect. If the new fuse blows again, this means that there is an electrical problem. Car towed to next exit (Center Towing, Strongsville, OH gets a :thumbsup: ), and then girlfriend's father trailers it the 110 miles home for me (Thank you!). I was thinking maybe the time it takes for a. I figured fuse 12 was blown but my cigar lighter and everything else works. AIR SOL, and PCM I Fuses - 4. 2001 Saturn S-Series 4 Dr SL2 Sedan. If unable to access codes for the ECM/PCM, then the U0100 code that the other modules are setting is active, and the problem is there now. But about 3 weeks ago the fuse blew again (while waiting for the WTS light to go out), leaving me stranded, but by the time I got it towed home and. 9 30 PCM Power Relay, Powertrain Control Module (PCM) 10 20 See Fuse 18 (IP Fuse Panel), Starter Relay 11 Not Used 12 (Diode) 20 Ignition System, PCM Power Relay Coil 13 50 See Fuses 5, 9 and 13 (IP Fuse Panel) 14 30 Rear Window Defrost 15 50 See Fuses 1 and 7 (IP Fuse Panel) and Fuse 5 16 20 Fuel Pump Relay 17 50 See Fuses 2, 6, 11 and 17. Can a bad pcm cause a 10amp Can a bad PCM cause a 10AMP control fuse to keep blowing? (2001 Saturn L200) In looking at this problem I also have noted that neither radiator or AC fan is running. Welcome to CREDIT. To locate and identify your blown fuse see below. before testing, ensure that both fuel related fuses have been replaced:-fuse (56) ecm 15amp-fuse (21) fscm 20amp steps to diagnose: 1. CumminsGift · Registered. Searching for info concerning 2005 Vw Jetta Fuse Diagram? you are right below. Fuse 14 in the under hood junction block should be the TCM, it is a 15 amp fuse, make sure it is hot. Jump to Latest Follow 1 - 20 of 20 Posts. A relay is an electrically operated switch. This wire feeds the Transmission Solenoids and PCM. WARRANTY COVERAGE, TERM This Warranty is extended only to the fi rst registered owner or registered user, and all subsequent user who, in accordance with PCM’s warranty transfer. Remove the panel cover to access the fuses. I have a extra PCM for a late 99+ auto with a manual t-case. Turn the ignition switch ON (II) Wait for 30 seconds. PCM B Fuse. I "Thought" I checked all the fuses, but I guess I didn't. Heated Seat Fuse – Tdiclub. fuse 15A mini. Fuse 1 in PDC supplies fused 12vdc to the combination flasher unit. General Electric 6328054G31 40E Amp Expulsion Fuse EG-1, $ 89. ECM/PCM RESET This command clears stored specific data from each vehicle such as DTCs, freeze data, and readiness codes It does not clear CKP PATTERN data 1. D: Steering Column Ignition Lock Module (SCIL) E: Powertrain Control Module (PCM) F: Powertrain Control Module (PCM) G: Instrument Cluster Module (ICM) Control Function Type. TSB instructions. 5 10 15 20 25 30 35 40AMP Car Boat Truck SUV Automotive Replacement Fuses - Mini APS/ATT Blade Fuses 4. i know that i am a noob and i am taking certain liberties by asking such a question so early on in our rel. View online or download Pcm 5. and (b) all claims of negligence or strict liability or both, In no event will PCM’s liability exceed the purchase price of the goods which is actually paid to PCM. The PCM controls everything from air-to-fuel ratio to generating fault or trouble codes for critical vehicle systems. Input data/engine operation feedback is provided from each of the engine’s sensors connected to the PCM via wiring leads. Function 1 BLK 451 PCM Ground 2 LT GRN 1867 12 Volt Reference- CKP Pin "C" 3 PNK/BLK 1746 Fuel Injector 3 Control 4 LT GRN/BLK 1745 Fuel Injector 2 Control 5 -7 -- -- Not Used. 1860 2960 4700 4amps. By comparing the input and stored value, the PCM calculates vehicle speed. General Electric 6328054G31 40E Amp Expulsion Fuse EG-1, SKU: GPI_ELNIS-3759-NS Categories: Electrical, Fuses $ 89. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. The switch may have any number of contacts in multiple contact forms, such as make contacts, break contacts, or combinations thereof. Very satisfied. 6L Mustang Tech: 7: Jun 11, 2005: B: Pcm Short/bad Ground? 1996 - 2004 SN95 Mustang -General/Talk-1: Aug 17, 2017: PCM Fuse Problem - Blows at Key On: SN95 4. Buy 1997-2004 (C5) Corvette Computer Modules (PCM) at Zip. fuse is marked pcm / acc 10amp. The FRPDB may be mounted either in the passenger compartment (preferred) or in well ventilated under-hood locations away from direct sources of heat such as exhaust headers. Just take it out for 30 seconds to a minute and then put it back in. The 20A ECM B fuse blows after about 3 to 5 sec from turning key to start. Show Description (e. Once the cover is removed you'll see the fuse box. Reset by placing PCM-500i power switch OFF and then ON. Call a friend, they bring a new fuse, it blows as well on the first turn of the key. Ensure the system is shut down and there is no trapped air under pressure in the piping. In the same manner this isn't a CKP sensor problem as the PCM is able to "see" a signal from the CKP sensor (check engine light goes out during cranking). The Black Box is labled Fuse Relay Center, the diagram on the cap displays which Relay is the Fuel Pump relaythe Relay switch 1997 GMC Sierra 1995 GMC Sierra Ex cab 4x4. Brown, PCM®'s profile on LinkedIn, the world's largest professional community. The American Council on Education's College Credit Recommendation Service (CREDIT) connects workplace learning with colleges and universities by helping adults gain access to academic credit for formal courses and examinations taken outside the traditional classroom. VEH STOP and CHMSL Fuses, Trailer Wiring (LH, RH Turn and Stop Lamp) ECM 1 Fuse #15. Looking for spare fuse slot in the front fuse box under the hood to power my grill led's. Tachometer 4. Powertrain Control Module Replacement Cost Comparison Your Mechanic. Our new content-rich platform now features a blog with updated tech information, tips for successful stress-free installation, in addition to sharing customer experiences and the latest industry news. 5 20A Power point 3 - back of console. 2002 BMW X5 4. there are three fuse's for the ( pcm ) powertrain control module ! engine brain ! two are in the under hood fuse/relay junction block. I read on a different forum to pull the PCM B fuse to reset the SES light condition. 87 GMC s-15 JIMMY ECM b fuse and I have recently had the ecmb fuse blowing no matter if the car is on or off. Shop By BMW Search. D-Sub Connecter(Female)– you need the pins : $1. 5L Ti-VCT, 3. ok so i have a 88 s10 4. And his driver headlight and fog light were blown and he said they weren't blown before. One of the most obvious symptoms of a fuse or relay problem is a blown fuse. This code is very similar to P0385, which refers to Crankshaft Position Sensor “B”. The FRPDB contains all relays and fuses needed for engine cooling fan control. Joined Mar 25, 2017 · 17 Posts. TRL B/U Fuse #19. To remove a fuse use the fuse puller tool provided on the fuse panel cover. MIKE91B wrote:Swapping modules won't help you and will most likely cause you more troubles you don't want. Comments ⇓ The electronic ignition (EI) system on the 3. I know that you checked all the fuses, but I would check this fuse in particular again. GMC Sierra mk1 (2003 - 2004) - fuse box diagram. I get it all back together, and try to start it up. I recently cleaned the EGR and the SES light for that condition is still on. Learn more. Checked wires going down to the tank, wires look good, could it have something to do with the fuel pump? Thanks for your help. Why does my pcm b fuse keep Why does my pcm b fuse keep blowing causing my truck to shut off when driving?ty (2005 Chevrolet Silverado 1500) When it shuts off my dash lights are on still but my power steering and brakes arent there. If the high speed data line is shorted to ground, power, or together it will eliminate communication on the high speed data line. Sony and the Environment How we’re reducing our eco-footprint through energy efficiency and recycling initiatives. And that was a detail drawing of just the fuse and idle control solenoid going to a ground contact in the PCM. Other connector toward front has no affect. No power when cranking the engineer either. Unfortunately your service does not help with pcm b which is abbreviation for a specific fuse. Powertrain Control Module Replacement Cost Comparison Your Mechanic. Maybe someone put the wrong size in. Radiator Fan Relay in PDC. Cesar from Texas. 3 20A Cooling fan. 1998-2002 3800 Series 2 OBD2 PCM wiring instructions for L36/L67 Fiero swaps Pin Wire Color Circuit Description Action Pin Additional Info 3 orn fuel level output control circuit delete 4 lt grn shift solenoid A control (1-2 shift sol) connect to A of4T65-E tra n sm ic e(ud) 5 dk blu high speed fan control connect to h ig sp edfanrly(u). I was told if it continued to happen I may need to replace the PCM Module. To diagnose a fuel pump malfunction, check for a blown fuse and/or low pressure in the fuel. And his driver headlight and fog light were blown and he said they weren't blown before. A relay is an electrically operated switch. Powertrain Control Module, F/PMP Relay. pcm/efm fuse 98 5. I was thinking maybe the time it takes for a. it turns on like it has power and connects to my phone but no my pcm anyone have any ideas Show Full Signature 2002 :fordoval: f-250 7. i know that i am a noob and i am taking certain liberties by asking such a question so early on in our rel. 8 and at the PCM power pins). Turn the ignition switch ON (II) Wait for 30 seconds. Now enhancing these to new heights with a new feature rich VCM Editor and VCM Scanner, coupled together with the latest generation MPVI2, this is only tuning and diagnostic solution you’ll ever need for your modern OBDII vehicle. Circuit A142 splices to the generator field terminal, fuel injectors, ignition coil and the upstream and downstream heated oxygen sensors. Another thing can be the fusebox itself, a previous owner might have jammed one of those fuse-tappers along side a fuse and bent the "clip" inside so it now doesn't grab the fuse well. Year of production: 1999, 2000, 2001, 2002, 2003, 2004, 2005 Passenger Compartment Fuse Panel (1999-2001) Ford Excursion – fuse box…. 2L) Things Needed: 1. Select the applicable vehicle configuration for your vehicle from that listed in the upper right ECM data description window. I don't know if it's possible a bad ground somewhere, the PCM itself is bad, or maybe a bad connection at the fuel pump. The defective ECM-power relay is removed from the control box by pulling it straight up and out of socket. Clear the DTC with the HDS while the engine is stopped. Moved Permanently. F/PMP Relay - Fuel Pump. There are 2 connections on the UHJB to the PCM, A-1 on the Brown 68 way plug and E-1 on the black 68 way plug. Check Fuse (F1). Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Parklamps, BSM, Instrument panel illumination. So PCM B fuse would only have power from from PCM itself, when the key is turned to prime the fuel pump and when the vehicle is running. This wire feeds the Transmission Solenoids and PCM. If the repair is good, then it is either the problem is intermittent or the PCM is at fault. Jump to Latest Follow 1 - 6 of 6 Posts. Sure enough my 10A ECM 1 fuse was blown. If I had to guess, I'd say the fuel pump has a problem. It's the only wire connected to ECM B and provides 12V (B+) to the PCM. Both the PCM and the data link connector (The one you plug the DRB into) are powered up off of fuse #21 in the PDC (Power Ditrbution Center, the fuse block under the hood). Vehicle Control Module (VCM)Z Power train Control Module (PCM)- (from IGN 1 Relay) CHMSL Fuse #16. Our extensive range of transmissions are used in pleasure boats, work boats and search and rescue boats by some of the world’s best-known manufacturers. VEH STOP Fuse #17. Go over the fuse again I think it's fuse 21 for the PCM. We hand build every harness to fit exactly what your project needs and they actually form fit on the engine to make your wiring look and perform perfectly. • Disconnect the PCM. The first time was last November and I had to get it towed to a dealer. A good starting point is always to check for technical service bulletins (TSB) for your particular vehicle. Maybe someone put the wrong size in. Painless Performance - 30 Years of Automotive Wiring Solutions Painless is proud to be celebrating 30 years of American made wiring solutions. 2003 GMC Sierra blowing pcm fuse Sign In My truck keeps blowing the pcm 20amp fuse. Vehicle Stop Lamps. Jump to Latest Follow 1 - 13 of 13 Posts. Further research I found that the PCM provides a constant 12v power to the FP Relay on 87. The most common reason for getting no OBD code is simply a blown fuse. Inovermyhead · Registered. 8 v-6 the same fuse blew on me. Thirty years ago, the first Painless wiring harnesses were manufactured in a tiny roll-up rental unit on the west side of Fort Worth. I checked the B6 fuse and it was blown. the other is pcm / ign fuse 10 amp. Checked wires going down to the tank, wires look good, could it have something to do with the fuel pump? Thanks for your help. When you chose PCM, you selected the utmost in premium power for your boating application. 2003-2007 – see fuses № 29 (Auxiliary Power Outlets) and №30 (Cigarette Lighter). Please, let me know which fuse in the fusebox is the PCM B fuse as they are not labeled and I have no manual as the 2001 SL1 was bought used. Each component is identified and there is a legend below. • If there is only one listing, go to step C. See if the capacitor looks burned. Awesome, thanks! My 2006 GTI has an interesting "quirk" though - SC49 (fuse panel C, fuse 49) is used! For some reason, the switched 12v wire for the headlight switch was run to fuse 49. Blowing PCM/IGN fuse. 5L GTDI or REFER to Section 303-14, Powertrain Control Module - 3. Looking for support on Sony Electronics products? Find instruction manuals and brochures. 2000 BMW 540I 4. ( very common problem) Ok here's the fix. The video above shows how to replace blown fuses in the interior fuse box of your 2003 GMC Sierra 1500 in addition to the fuse panel diagram location. Painless Performance - 30 Years of Automotive Wiring Solutions Painless is proud to be celebrating 30 years of American made wiring solutions. 98 @ radio Shack 2. my truck stalled. This code is very similar to P0385, which refers to Crankshaft Position Sensor “B”. 1995 Grand Cherokee Power Distribution Center. 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. FUSE RATING MAX ALLOWABLE CONTINUOUS AMPERAGE 20A 14A 25A 17. You may be a technician who intends to search for references or address existing issues. Power Distribution Box Located Under the Hood. Transmission control module, powertrain control module, automatic shutdown relay, fuel pump relay: 12: 10 Amp: Instrument cluster, combination flasher: 13 - - - Spare Fuse: 14: 10 Amp: Power mirrors, rear defogger & switch - Located bottom left column in fuse bank. So the fuse is some how linked with the glow plug (wait to start) and the lift pump. Consumer Fuse rating 1 Driver'sdoorcontrolunit 25A 2 Diagnosticsconnection 10A 3 Brakesystem(valves) 25A 4 Brakesystem(delivery pump) 40A 5 Terminal87(2a)engine M272. Cooper Bussmann, the industry leader in critical circuit protection fuses, power management and electrical safety, is a division of Cooper Industries. I have a 2003 chevy tahoe and the PCM B fuse has blown twice and when it does it causes the car to die. Gryphon FICM tunes, ARP studs,Stage 1turbo,ATS coolant recirc lines,Swamp's 48v ficm,coolant filter,AD2,Snow Perf stage II,EGR delete,4" turbo back straight pipe,S&Bintake,Quad "A" pillar autometer gauges,Suncoast Tri Disk Conv. Therewith the module can not be configured in an IQAN multi master environment. PCM B fuse and ABS light / stalling problem - Sierra 2500. • If there is only one listing, go to step C. If the repair is good, then it is either the problem is intermittent or the PCM is at fault. MOPAR 4606839AC Powertrain Control Module (PCM) ALL THE PARTS YOUR CAR WILL EVER NEED Show Prices In US Dollars ($) Australian Dollars (AU$) Brazilian Real (R$) Canadian Dollars (CAD$) Swiss Francs (CHF) Euros (€) British Pounds (£) Japanese Yen (¥) Mexican Pesos (Mex$) Norwegian Krone (kr) New Zealand Dollars (NZ$). no power on eight fuses on engine fuse box 2001 Saturn sl2 1 Answer is this a bad fuse box? no power on B/U LP -PCM 1 ,Emiss ,EIS , INJ ,TRS LP ,TRS3/4 ,TRS 2/TCC on engine fuse box. Ford Power Train Control Module. The defective ECM-power relay is removed from the control box by pulling it straight up and out of socket. Sentry Key Immobilizer Module, if you have that feature. In this guide you will learn how to access the fuse box panel, see a copy of the fuse layout diagram and the fuse assignment. 4 L V8 (2003, 2004, 2005, 2006, 2007, 2008). GM LS-Series PCM/ECM: Comparing Gen III Controllers February 13, 2015 by LS Engine DiY GM ECMs have come a long way since the introduction of the first multi-port injection V-8 ECM used in the 1985 TPI Camaro, Firebird, and Corvette. Example: bus termination and diagnostic bus connection in single. Reach under the center of the grille and press the hood latch. Im driving and all of the sudden the PCM B 20A fuse blows ; ABS light comes, on fuel pressure is cut off, the gas gauge goes dead, the shifting indicator disappears, the info screen flashes break system failure. Joined Oct 24, 2006 · 719 Posts #21 • Jul 27, 2011. SizeCircuitLoadsHEATED SEATSM1-N140A742Heated SeatsSTOPM2-N230A Maxi fuse642Stop,Lps(Pickup Only)A/CM3-N350A Maxi Fuse542Hi Blower Motor Relay and Rear Blower Relay (Suburban)ABSM4-N460A Maxi Fuse442Electronic Brake Control Module (EBCM)IGN-BM5-L550A Maxi Fuse342IGN-B Switch go to Fuse Block Bus BarIGN-AM6-N640A Maxi Fuse242IGN-A Switch go to Fuse Block Bus BarBATTERYM7-N750A Maxi. To remove a fuse use the fuse puller tool provided on the fuse panel cover. 1998-2002 3800 Series 2 OBD2 PCM wiring instructions for L36/L67 Fiero swaps Pin Wire Color Circuit Description Action Pin Additional Info 3 orn fuel level output control circuit delete 4 lt grn shift solenoid A control (1-2 shift sol) connect to A of4T65-E tra n sm ic e(ud) 5 dk blu high speed fan control connect to h ig sp edfanrly(u). Now ABS and brake lights are on. If a PCM has been flashed, they will attach a decal on it, saying "FACTORY AUTORIZED UPDATE" if it was done by a dealer. ECMB fuse keeps blowing, unplugging ECMB fuse does not blow fuse. Discussion Starter • #1 • Jan 26, 2017. BlownV and removing your PCM IGN fuse, then the PCM BAT fuse (if we have them in the underhood electronic center). Joined Mar 25, 2017 · 17 Posts. 8 and at the PCM power pins). And one of the 12VDC feeds to the Powertrain Control Module (PCM). The letter "B" in this definition refers to the signal voltage circuit, as opposed to the input circuit voltage. I start it again and it dies because the PCM B fuse blows. Painless Performance - 30 Years of Automotive Wiring Solutions Painless is proud to be celebrating 30 years of American made wiring solutions. rodney byers jr. The PCM is considered the brains of the operation and when it's having complications, the rest of the vehicle will follow suit. Please call us if you do not see the part you need. Ford Cars, Trucks & Vans PCM's ECM's ECU's TCM's IDM's Injector Driver Modules & Multifunction Computers. I prefer to tap use an unused slot instead of tapping into existing fuse. One of the most obvious symptoms of a fuse or relay problem is a blown fuse. PCM B 20A fuse blows out. Pin 86 - Light Green/Black Start/Run feed from the ignition switch and Fuse 9.