FUSES The most common protector in the vehicle circuit is a fuse. Thanks to the guidance here, to fix my blowing-fuse-#12 problem on my '87 560 I went right to the dome lights. Side note - the heater / blower fan also quit on me about two weeks ago, the fuse tested OK, so that is probably the blower motor or resistor. Buell Forum for all XB model motorcycle general (non-technical) discussion. My car is a 1997 Q45 with the 4. Though we all love our mustangs, from time to time they needs repairs that we might not know about. Because interior fuses commonly fail, it is recommended to keep a pack with an assortment of different amperage in the glove compartment. Tahoe & Suburban - 2001 Tahoe - ECM B fuse blowing no start - Need some advice on how to proceed with this problem. The PCm controls the fuel pump. If the main headlight fuse keeps blowing out on a 2002 Kia Sportage, check for a short in the wiring. PROBABLE CAUSE: The ELD has a faulty solder joint. Local Toyota stealership can't figure out why it keeps doing this. You can also find other images like 1999 jeep grand cherokee wiring diagram,1999 jeep yj wiring diagram,1997 jeep cherokee xj wiring diagram,1994 jeep cherokee xj wiring diagram,1998 jeep cherokee xj wiring diagram, and others. I disconnected the oxygen sensor and it still blew the fuse. No fuel pressure and no connection to the ODBII port. Find the right Genuine OEM Suburban Parts from the full catalog we offer. Buy a genuine Mercury Quicksilver or aftermarket part. 1989 Chevrolet Suburban is blowing the ECM- fuse every 10 1989 Chevrolet Suburban is blowing the ECM-B fuse every 10 miles or so. In order to understand this, let's look at a simple cooling fan motor circuit. The legendary 7. 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. On the back of the dimmer swith I took a paper clip and crossed jump two connections to give me running lights. It is important to keep the fluid at the correct level at all times to ensure proper operation of the automatic transmission. It is probably your fuse relay swithch underneath the hood toward the driver side. One day at Napa the darn thing wouldnt start and thats when I found the burned out fuse. I have a 1989 GMC suburban V8 350 5. Took it to a shop and after a couple days they couldn't figure out the problem. 98 suburban 5. i dont know whats causing it if it is seperate instances of if its all one big problemthis is the. ECM -1 FUSE BLOWING 12 Answers. We took it to a shop and they said the fuel pump and computer both run off this fuse. Remove any snow drifts resting against your outdoor unit. Then it burned out five more fuses before I gave up and called a tow truck. So i'm not an electrician and i can't figure out why my gauge cluster fuse keeps blowing on me, i went from a 20amp to a 30 amp and that even blew, i just can't figure it out because i haven't done anything to it to cause this problem just one day it decided to go. com SOURCE: engine 1 fuse keeps blowing when you turn the key. I disconnected the oxygen sensor and it still blew the fuse. I followed the fuel show more I was driving home and my truck died. Fuse #22 is for "Fuel Injectors, Powertrain Control Module" in my alldata. 15A Dimmer Fuse Keeps Popping L-Series Tech. This 2001 Doge Durango with a 4. I do not know what to dowhere do I even start? I just did an ecu swap because I swapped from an auto to a manual. 7 KEEPS BLOWING ECM PCM FUSE - Duration: GMC, Truck Or Suv ,No Crank No Start , PCM B Fuse Keeps Blowing - Duration: 6:46. I have replaced the battery and cable ends and left the battery disconnected for 30 minutes hoping the ECM might reset itself, but that would just be too inexpensive and easy. When the dashboard lights in your vehicle malfunction or cease to operate, the resulting effects can range from being a mere annoyance to posing a safety hazard. If 12 volts is present in the Run position at the ignition switch but not at the coil, then the fuse or fuse link is blown. OHHHHH WELL DONT KNOW HOW LONG UR POST IS, BUT HAVE TO SAY AM HAVING THE SAME PROBLEM, FUSE 29 KEEPS BLOWING, WITH THE BLOODY ECU ON, BOUGHT THE SECOND ECU, SAME THING, WAS TOLD TO CHANGE THE 1/HARNESS 2/COIL PACK So pissed off with this thing, y make a car with so much mistakes?. Freon blowing from checkvalve on compressor?? HELP! A/C hasn't been working, and the code is 18065 (P1657) "ac sytem input/output short to plus--intermettint" so the A/C never works and my wife is 8 months pregnant and its 90 degrees out. If you are blowing one of the ECM fuses, the short could be in any number of places other than the fuel pump circuit. That is easier than blowing a bunch of fuses. The PCm controls the fuel pump. I would increase the original 7. Diagram of the fuse box under the hood. the ecm (engine control module AKA computer) fuse keeps blowing causing the car to automatically shut off while i am driving down the street. My engine fuse (20 amp) keeps blowing for no apparent reason. This happened to me on my 89. Try auto zone or a haynes manual and see if there is any info on injector resistance, and coil/ dist resistances etc. tuningconcepts. 91 c4 blower keeps blowing ac fuse Not rated yet My. When the fuel pump begins to fail it overheats, causing it to drain more amperage (amp); if the amps exceed the amount of amps the ECM 1 fuse allows, the fuse will blow. If you have been experiencing electric furnace problems (specifically the furnace fuse blows when the heat turns on) throughout the holiday season, you might have assumed the problem is those cheap holiday string lights. Check out our awesome variety of RV circuits and breakers to keep your electric on for your next family vacation. ECM -1 FUSE BLOWING 12 Answers. All information, except fuses, will be placed within the graphical template in 9 pt. Diagram of the fuse box under the hood. 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. Just ran into the same problem. This article applies to the Harley Davidson Touring (2000-2016). If there is an engine malfunction caused or detected by any one of the many sensors connected to the ECM, a trouble code will be stored in NVM, or Non-Volatile Memory. by Bob O’Neill and Bob Lincoln. Again, most common reason for an A/C compressor not engaging is a lack of refrigerant (check that first). 2001 Audi S4 6 speed ecu pinout. The ECM needs 9 volts minimum to fire the bike up, quite possible that is why it didn't start. Shop Notes: Early batteries were prone to leakage and gassing out the fill level caps, requiring constant cable/terminal maintenance. It is probably your fuse relay swithch underneath the hood toward the driver side. Hi, I own a 1999 chevy Tahoe with a 5. Here is a handy list of all the bulbs and fuses on a typical Chevy/GMC truck. I can put a jumper in where the fuse goes and the front axle will lock in to get me out of a jam, but the jumper gets red hot and must be removed right away. I checked the ecu fuse and it was blown. my chiltons doesn't have that diagram. Remove any snow drifts resting against your outdoor unit. This fuse keeps blowing. Buy your season wrangler h today online! Focusing on season wrangler h for sale today. Electrical problem 1988 Chevy Silverado V8 Four Wheel Drive Automatic I just rebuilt my trans. I fine the efi fuse blown,I go ahead and replace the 30amp fuse,it blows again as soon as I turn. The fuse box is located on the driver side of the dash. Trailer wiring, stereo wiring, offroad lights, anything that ties back to that fuse is suspect though. The harness that plugs into the oil pressure switch looks undamaged, but there are two other wires that were stuck/glued/welded to the back of the block / manifold and when I pulled them away the insulation was all flattened out and when I moved it the insulation. Diagram of the fuse box under the hood. It was really weak, so I bought a new one. from your battery, trace the hot lead to your ignition. SOLUTION: - replace the under hood fuse/relay box. There are a few possible scenarios going on here. [Archive] Page 6 Ask any electrical questions in this forum. 90-96 Corvettes have the buffer in the ECM/PCM (electronic control module/powertrain control module). Since I bought this car,have changed close to 15 ignition coil and we noticed the negative wire that leads to transmission was cut,we replaced it and the brain box still destroy thee brain box,and I don't know what to do it is really frustrating me,we are trying to get a new computer which is the brain box to ssee if it would be back to normal,pls can anyone explain if they have any issue with. long storey short puy in a manuel fuel pump. Hello I have a 94 corvette with lt1 automatic, it starts normal and smooth, runs for 2-3 seconds and dies clean, its losing injector pulse only, will run as long as you spray intake, sys light flashes. 1990 Suburban. Each fuse will have an appropriate amp rating for the devices it is protecting. They let the car run for hours on end but the fuse was fine so they thought they fixed it by just putting a new fuse in. Check ebay or Rock auto. The truck had come to them with a head gasket leak, which they had already fixed. Do It Yourself Car Diagnosis. I followed the fuel show more I was driving home and my truck died. If I don't get what I'm asking, it stays in the driveway. The 1992 Chevrolet S-10 Blazer has 1 problems reported for ecm fuse keeps blowing. I then traced the wire leading to the fuel pump and applied power from the battery and the fuel pump kicked in so this confirmed that the fuel pump stil works. Ecm-1 and some others are fed from IGN-A thru the ignition switch. I replaced it and it would keep blowing them when i turned the key to on. Check your home's circuits and fuse box. No reverse, acceleration issue. Every Chevrolet truck has an engine control module that manages the electronic components of the engine and monitors sensors for errors. 90-96 Corvettes have the buffer in the ECM/PCM (electronic control module/powertrain control module). before testing, ensure that both fuel related fuses have been replaced:-fuse (56) ecm 15amp-fuse (21) fscm 20amp steps to diagnose: 1. com and affiliated sites. Ecm 1 fuse keeps blowing - Fixya. Pull off the fuse box cover by lifting up the left side to disengage the tabs from their slots. bone stock (for now) I think one time my dad's 95 6. I had this problem when I first bought my suburban, same fuse. Is this related to the stereo fuse problem?. It’s a red 10 Amp fuse. The first day I experienced the problem, my car would not start. Its an 87 suburban 454 fuel injected. Pull off the fuse box cover by lifting up the left side to disengage the tabs from their slots. This fuse will operate the fuel bowl heater and a power circut for the powertain control module. My silverado blew the fuse for the trailer running lights in this under hood fuse block. 2nd gen keeps blowing am2 fuse *HELP* So a little background. We've seen a number of common reasons for heavy duty diesel ECM failure including: corrosion, fuel solenoid shorts, injection wiring harness corrosion, grounding issues, replacement starters, dead battery cells, jumpstarts, and welding and lightning strikes. It would keep blowing that fuse and I would lose all my gauges, and worse than that, my glow plugs run off that fuse too. For more detailed information about how car horns work, why they fail, and how to fix them, check out the sections below. except sometimes thr battery light will go off and will charge but. Still blew the fuse. So you keep blowing fuse (#43?) And the tow trailer overdrive deal is acting up On the steering column, underneath, there is a hole to release the ignition core. Average failure mileage is 142,850 miles. I followed the fuel show more I was driving home and my truck died. Other possibilities fed by that fuse are: Lock-up relay. Jan 11th 2016 at 12:47PM It is usually located in the fuse and relay panel beneath the hood, and is responsible for providing power. After you are sure the fuse is good, (Check it with the Key ON), we can go for the checking for a ground to the cluster. ABSOLUTELY! There is a fuse block under the hood, when you open the lid it will have a diagram on the underside of the lid showing you what fuse is what. Please don't be offended, but I have been told many times on forums that all of fuses were fine but ultimately the problem was a blown fuse. This fuse keeps blowing. you will also find the pin out diagram for the fuel system control module found on 2007 and newer gm vehicles. Check your home's circuits and fuse box. If you are blowing one of the ECM fuses, the short could be in any number of places other than the fuel pump circuit. Help diagnosing 87 TBI fuel pump problem the ecm and crank fuses are all good Keep a fire extinguisher available and know how to use it! Don't let fuel puddle. After you are sure the fuse is good, (Check it with the Key ON), we can go for the checking for a ground to the cluster. 2l 114,000 miles I have recently tried to get my truck running again. As we’ve discussed previously, anything electrical needs a 12 volt feed and ground to work. I usually isolate it by going through the wiring schematic and disconnecting areas of the circuit until I find the short. About Golda Meir La Femme Derriere. The heater fan turns on for about 30 seconds and then shuts off. com and affiliated sites. The system uses sensors and modules to communicate vehicle speed and driver inputs at a very fast rate. Why would the horn. my chiltons doesn't have that diagram. Why does my 1990 suburban keep randomly blowing the ecm b fuse has gone months with out a problem then is drivible again then will blow fuses again. It's the fuse that sends power to the fuse box under the dash. After you are sure the fuse is good, (Check it with the Key ON), we can go for the checking for a ground to the cluster. ecm fuse good any ideas extremely hot and keeps blowing fuses. 2l 114,000 miles I have recently tried to get my truck running again. I've read a lot to check the O2 sensor wires for a short, but they looked fine, so I went ahead and replaced the fuel pump. The fan speed can be changed either by switching the blower resistor resistance mechanically, using a rotating lever, or electronically by the air conditioning system. Usually a problem with the ECM power relay will produce a few symptoms that can alert the driver of a problem that should be serviced. You can replace the pigtail with connector if you need to. There are a lot of devices on that fuse. The mechanic cant seem to figure out how moister got into the plugs at the ecm. Check ebay or Rock auto. battery, fuses are good, relays have been connected and seated properly. If the fuse is blown, replacing it is an easy fix. The fuel pump is then switched on and off via a relay that is controlled by the engine control module (ECM). 3 PSD problem is the fuel bowl heater shorting out under the fuel filter, which in turn blows the fuse. FRT HVAC Fuse #13 30A Blower Motor (High Speed) STOP LPS Fuse #14 20A VEH STOP and CHMSL Fuses, Trailer Wiring (LH, RH Turn and Stop Lamp) ECM 1 Fuse #15 10A Vehicle Control Module (VCM)/Powertrain Control Module (PCM) - (from IGN 1 Relay) CHMSL Fuse #16 10A Center High Mounted Stop Lamp VEH STOP Fuse #17 10A Vehicle Stop Lamps TRL B/U Fuse #19 10A. It seems the ECM B fuse has quite a few possible reasons that it will blow and I don't see any single cause being more common. By wire going back to the ecm. I have a 1991 Gmc sierra k1500 that constantly blows the ecm fuse sometimes as soon as i turn on the key, i pulled the fuel pump relay and its still blows. Ensure that you do not have a faulty or damaged bulb. )(4-stroke) electrical components(usa-1b226999/bel-0p400999 and below) parts. Ecm-1 feeds the pcm and positive side of injector so if the all the things you listed above are still disconnected along with the injector body connector removed this time and the fuse still blows then it is the wiring harness. This problem started about 50 miles after having the heater core replaced, so I dont if something got messed up during the replacement or what. 7L 4cyl that keeps blowing the EFI fuse. For more detailed information about how car horns work, why they fail, and how to fix them, check out the sections below. Buell Forum for all XB model motorcycle general (non-technical) discussion. 3 Power Stroke Diesel engine, when properly maintained can provide years of trouble free service. For some reason I keep blowing the efi 30amp fusethe car is a 98 sc300,soarer 1jz/r154 swap,single turbo, 550 mk4 injectors with a resistor from a Acura TL installed a few months ago and never had any isues. I just put a 25amp for temp. I initialy thought it was the fuel pump but noticed the blown 20 amp ECM - 1. 2004 Pontiac GTO Wiring Harness Info - Wiring harness info specific to the 2004 GTO LS1. It’s a red 10 Amp fuse. 91 c4 blower keeps blowing ac fuse when i operate when the car is running but with the key in the run position and not running it functions perfectly …. 1998 to 2002 Camaro/Firebird harness Wiring Info-New PCM Pinout info specific to 98, 99-02 F-body. Then it burned out five more fuses before I gave up and called a tow truck. Menu Search. I installed the fuse and a new purge valve and she is running fine for now. Returning the ECM to its factory state may be necessary to troubleshoot or resolve a number of problems. I have replaced the battery and cable ends and left the battery disconnected for 30 minutes hoping the ECM might reset itself, but that would just be too inexpensive and easy. Great resource if the lettering is worn off yours. I rolled into a parking spot and tried to crank it and it just turns over. (over 5000 watts of energy) or 6. Driving on the highway tuesday morning the truck went dead with no warning. I installed the fuse and a new purge valve and she is running fine for now. 83-87 Chevy GMC Fuse Box Map. Trailer wiring, stereo wiring, offroad lights, anything that ties back to that fuse is suspect though. ecm fuse keeps blowing out on chevy s10 2001 - Cars & Trucks question it's source to the fuse box and to the ECM. Dodge Ram 1994-2001: Fuse Box Diagram. What I found out is that my ECU Cont 10 amp fuse was burned up, and that it being popped could be causing all of my issues. Ecm-1 and some others are fed from IGN-A thru the ignition switch. Usually a problem with the ECM power relay will produce a few symptoms that can alert the driver of a problem that should be serviced. Make sure it’s fully inserted, then close the lid of the fuse box, and test the horn to see if it’s working. tl* the contact owns a 2007 chevrolet silverado. When I go to start it the fuel injectors dont spray fuel into the combustion chambers verified fuel injectors still work by bypassing them and they spray fuel. I have a 1989 Chevy Suburban 5. Menu Search. Fixing A Dead Horn. They DO keep the oil a bit warmer, which reduces cold start engine wear. The fuse panel is on the lower instrument panel just to the left of the steering column. I had this same problem on a 98 chevy van 3500 and found the wire going to one of the oxygen sensors had shorted out on the heat shield. Fuse box diagram Chevrolet Captiva 2006-2011. when i start the vehicle it will run then die. So i check the fuse and low and behold, that f-en fuse is burnt. A quick rant, the Indian mechanics in this country are morons. Driving on the highway tuesday morning the truck went dead with no warning. 00 Grand Marquis LS Premium - 97 Cougar 4. Hi, I own a 1999 chevy Tahoe with a 5. I have a 1991 Gmc sierra k1500 that constantly blows the ecm fuse sometimes as soon as i turn on the key, i pulled the fuel pump relay and its still blows. Its an 87 suburban 454 fuel injected. tapped on starter fired right up. This database includes information received by NHTSA from consumers either directly or as recorded by the Vehicle Safety Hotline. RV Questions Are Answered Here Bought 89 Terry Resort Camper. I picked this 1993 4runner up for 500 bucks. When I went to test drive it, it keeps blowing the ecm ign fuse. The system uses sensors and modules to communicate vehicle speed and driver inputs at a very fast rate. FREE 2-Day Shipping Electronics & Office Movies, Music & Books Home, Furniture & Appliances Home Improvement & Patio Clothing, Shoes & Accessories Baby Toys, Games, and Video Games Food, Household & Pets Pharmacy, Health & Beauty Sports, Fitness & Outdoors Auto, Tires & Industrial Photo & Personalized Shop See All Departments. Installing a dedicated voltage supply line for your fuel pump. Chevrolet Suburban (1995 - 1996) - fuse box diagram Year of production: 1995, 1996 Fuse block Fuse position Fuse name Circuit protected 1 STOP/HAZ Stop/TCC Switch, Buzzer, CHMSL, Hazard Lamps, Stop Lamps 2 T CASE Transfer Case 3 CTSY Courtesy Lamps, Cargo Lamp, Glove Box Light, Dome/RDG Lamps, Vanity Mirrors, Pwr Mirrors 4 GAGES IP Cluster, DRL Relay, HDLP Switch, Keyless …. Chevrolet Silverado: Why is Cruise Control Not Working? Cruise control is a sophisticated electronic system that is able to hold/accelerate and decelerate the vehicle by the push of a button. The fuse box is located on the driver side of the dash. There are a lot of devices on that fuse. There are a few possible scenarios going on here. Year of production: 2007. some sesnor is probalby drawing way to much!. I have a 1991 Gmc sierra k1500 that constantly blows the ecm fuse sometimes as soon as i turn on the key, i pulled the fuel pump relay and its still blows. I figured the pop was a fuse so I started checking and the #7 was blown. Ecm-1 and some others are fed from IGN-A thru the ignition switch. Under the Hood Fuse Box. Here is a handy list of all the bulbs and fuses on a typical Chevy/GMC truck. If it does disconnect crank sensor, also inspect wires for the injectors or any rub through wires here is a diagram. Fuse Block - Underhood Label Fuse Block - Underhood Label Usage ETC/ECM Fuse, PCM 1 Fuse, INJ 1 Fuse, Relay (Diesel) INJ 2 Fuse -- ECMRPCV Fuse,EDU Fuse (Diesel). Many electrical problems can be fixed at the fuse box. 2001 Audi S4 6 speed ecu pinout. I replaced it, and the moment I turn the key it blows the fuel again. Would that cause the ECM fuse to keep blowing and intermittent stalling. The guy told me his computer can't connect to the OBD for some reason, so he couldn't pass me he said it might be a fuse or smth. For this reason we have come up with a Troubleshooting Guide to help you out. For some reason I keep blowing the efi 30amp fusethe car is a 98 sc300,soarer 1jz/r154 swap,single turbo, 550 mk4 injectors with a resistor from a Acura TL installed a few months ago and never had any isues. Ecm-1 fuse keeps blowing - If I held the gas at one spot for about 4 seconds it would start running bad like it was flooding out but if i let off and. On the back of the dimmer swith I took a paper clip and crossed jump two connections to give me running lights. Again, most common reason for an A/C compressor not engaging is a lack of refrigerant (check that first). The PCm controls the fuel pump. Help diagnosing 87 TBI fuel pump problem the ecm and crank fuses are all good Keep a fire extinguisher available and know how to use it! Don't let fuel puddle. If the fuse is blown, replacing it is an easy fix. It's the fuse that sends power to the fuse box under the dash. 7 Horse Power of pure energy. Some guy that my dad works with said the ECM fuse keep blowing on him and he replaced the ignition moduale or some thing. put new alt on new battery still no charge coming from alt. I have replace the following fuel pump and sending unit, fuel pump relay, ECM computer brand new, new fuel filter. When the fuel pump begins to fail it overheats, causing it to drain more amperage (amp); if the amps exceed the amount of amps the ECM 1 fuse allows, the fuse will blow. Then take an ohm reading from the other pin to ground while you look for the short. when nothing is plugged in it does not blow the fuse. You may need to pry up the left side with a flathead screwdriver. First time it happened I swapped in a 30 amp fuse. I have read other forums and spoke with my dad (mechanic for 39 years) and this is what I've gathered as possibilities so far: 1) fuel pump is going bad 2) oil pressure sensor is bad. Tahoe & Suburban - 2001 Tahoe - ECM B fuse blowing no start - Need some advice on how to proceed with this problem. There is an ECM relay that see next to the ECM and Fuel pump fuse. LIGHT BULB, FUSE, AND CIRCUIT BREAKER LIST. Make sure it's fully inserted, then close the lid of the fuse box, and test the horn to see if it's working. Freon blowing from checkvalve on compressor?? HELP! A/C hasn't been working, and the code is 18065 (P1657) "ac sytem input/output short to plus--intermettint" so the A/C never works and my wife is 8 months pregnant and its 90 degrees out. 7 TBI) is blowing so much now I can't make it out of the driveway. In order to understand this, let's look at a simple cooling fan motor circuit. Hi All, I am having a problem with my EFI fuel relays. Jeep Grand Cherokee (2007) - fuse box diagram. This happened once or twice more. Some guy that my dad works with said the ECM fuse keep blowing on him and he replaced the ignition moduale or some thing. Diagram of the fuse box under the hood. I initialy thought it was the fuel pump but noticed the blown 20 amp ECM - 1. Which was a blown fuse I overlooked under the hood. Why Did My 12-Volt Power Outlet Stop Working? By Rick Popely. SYMPTOM SUMMARY The air conditioning system is not cooling as expected. Don't pay hundreds of dollars to find out what is wrong with your car. Search for any ebook online with easy steps. Jeep Grand Cherokee (2007) - fuse box diagram. Don't forget to replace the fuse with the same value as the one that was in originally. For this reason we have come up with a Troubleshooting Guide to help you out. when nothing is plugged in it does not blow the fuse. You should have 12 volts going in and out of the low-side pressure switch (if there is sufficient pressure). I followed the fuel show more I was driving home and my truck died. When the ignition switch is turned on, power from the ECM relay makes contact (inside the ECM Main Relay [also, called the PGM-FI Relay]) to the circuits it powers. Well, it turns over good but it's blowing fuses. On the REALLY cold nights you can plug this in and keep the engine somewhat warm, preventing cold start problems. I found a short in the wiring harness near the passenger side exhaust manifold. my chiltons doesn't have that diagram. Review our list of Heating System Symptoms & Repairs. Correct the power issue; if there is still no fuel spray when cranking the engine after this has been corrected go to step 1a. Intermittently blows fuse and stalls. 08-18-07 07:33 PM - Post# 1234336 In response to cmaddox Well I got the distributor out and now I can get a look at the wiring. I have a 1989 Chevy Suburban 5. Just ran into the same problem. It seems the ECM B fuse has quite a few possible reasons that it will blow and I don't see any single cause being more common. i dont know whats causing it if it is seperate instances of if its all one big problemthis is the. The E-Box on the E46 3-series is located at the rear of the driver’s side of the engine compartment. HEI and ELECTRONIC SPARK CONTROL FUNDAMENTALS AND TROUBLESHOOTING Troubleshooting the HEI coil in cap ignition. FUSES The most common protector in the vehicle circuit is a fuse. I just put a 25amp for temp. Go to TEST 2. I replaced it, and the moment I turn the key it blows the fuel again. Though we all love our mustangs, from time to time they needs repairs that we might not know about. USUAL CAUSE The turn signals use a flasher unit that acts as a repetitive circuit breaker. Refer to the component location photos and tables in this repair group for electrical component locations. Driving on the highway tuesday morning the truck went dead with no warning. This fuse powers ALL the tail/marker/park lights and instrument and switch back lighting. Thanks to the guidance here, to fix my blowing-fuse-#12 problem on my '87 560 I went right to the dome lights. Cut the wire(s) loose and insert a stand alone fuse on the (each) branch. 15A Dimmer Fuse Keeps Popping L-Series Tech. If the fuse is bad, replace it with one of the same amperage. My 2000 4Runner's 20 amp EFI fuse keeps blowing which of course causes the engine to shut off. Don is a retired engineer and long-time motorhome owner who enjoys helping readers deal with the increasingly complex technology of RVs. This is probably a sail-switch issue. Check your fuses to see if any have gone bad. You should focus on the tail/marker/park lights as the instrument and back lighting have their own sub-fuse. DIAGNOSE - THE TURN SIGNALS DON'T WORK OR DON'T WORK PROPERLY By Carl O'Reilly. Most of the time the short is in the ECM, but it may have a short in the wiring going to it. 7 KEEPS BLOWING ECM PCM FUSE - Duration: GMC, Truck Or Suv ,No Crank No Start , PCM B Fuse Keeps Blowing - Duration: 6:46. On my '98, the ECM -1 fuse feeds power to the PCM and parts of the engine management system. 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. (or 3 hair dryers) The Fuse prevents the fire , by interrupting this faulting path. 7 TBI) is blowing so much now I can't make it out of the driveway. I just dropped my son off at school and was heading for the highway when I heard a pop and the the motor just died like some one shut off the ignition. How To Permanently Disable GM PassLock System. Pull the plastic cap off the fuse chassis and you'll see a square relay fuse switch and replace it for the brakes. If you throw a bigger fuse in there it allow whatever it is to keep shorting out possibly causing damage to other thing or even start a fire. Consequences of Hooking a Car Battery backwards one or more fusible links and/or fuses blowing to protect the wiring. im just wondering if someone has a clue where it might be or has had this problem and give me advice on what they did. SYMPTOM SUMMARY The turn signals do not flash or they may flash in only one position or one side may remain on constantly with the switch in the off position. I have a 1989 GMC suburban V8 350 5. this happened to me the other day i checked the wiring the motor everything was fine. Interior Fuses. If 12 volts is present in the Run position at the ignition switch but not at the coil, then the fuse or fuse link is blown. I decided to check my fuses and sure enough my ECM-1 20A fuse blew. This picture shows the FUEL PUMP RELAY (number XX).