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I have a 1993 Explorer and all I get is a click when I turn the key. This only happens on hot days when I've been driving the vehicle for about 4 hours straight delivering the mail for US Postal Service. Do you think I need to replace the starter? I get code 172, 176 from my code reader. My...

MrShorty Thanks again not only for your assistance to me, but to all others in this forum. I was able to pull the following KOER CODES 116, 538, 536. The CM 543 code did not reappear. I might have left out something very important. I'm a ham operator and years ago I tried to do a mod to get...

I have a 1993 Ford Explorer that keeps blowing the EEC Fuse. The problem started in September and stopped. The problem started again two days ago. I went through about 8 fuses and switched around circuit breakers today and was able to get my truck back home. I purchased a Ford code reader and...

Ford Code Reader CM 543 "Fuel pump secondary fault" Thanks all for your response.. I replaced the circuit breaker and after about 8 fuses. I got it running again for about five miles. I replaced more fuses and was able to make it home. I purchased a Ford Code Reader and got a CM code 543 which...

Still need help The problem I posted in September stopped and I don't know what was blowing the EEC Fuse. I have been driving everyday and yesterday while deliving mail. Dead! My explorers engine shutoff and it want start. It keeps blowing the EEC fuse. I have no clue where to start. Should I...

I have a 1993 Ford Explorer. I can pull my key out the ignition in any postion "park, reverse, drive" while the engine is running. I was told during an inspection that it should only come out in park. This is suppose to be a saftey feature on all vehicles. Anyone have a fix for this. Thanks Brian

I checked it out with ohm meter and have 4.8 reading on my digitial multimeter. I disconnected the starter cable at starter, disconnected the starter relay, pulled each fuse in the distribution box and started to pull fuses on the inside and still I get 4.8 on meter. Today and yesterday the...

I'll give the History leading up to this problem. My negitive battery cabe got so hot it was cherry red; I replaced the cable. I would drive the vehicle and when I turn off the ignition and try to restart everything was dead or just a click. A while later everything would be ok. I was driving...

My EEC fuse keeps blowing on my 1993 Explorer. What is the best way to troubleshoot this problem. It blew for the first time a few days ago and I didn't realize it was the EEC fuse until yesterday. I replaced the fuse and it ran fine yesterday and this morning. While idling in my yard the car...

I have the same problem.My car ran fine yesterday but today it keep blowing eec fuses. Is there any simple test to find what is doing this.

Thanks for your advice. It worked and it turned out that the EEC 30 amp fuse was blown. I replaced the fuse and it started right up. Your insight changed my way of looking for this fault. What would cause this fuse to blow?

Thanks all for your comments. It turned out to be a blown EEC Fuse. My brother came over and checked each fuse for continuity. I only looked at each fuse without pulling them out, and my main concern was checking each relay and fuel pump fuse. The EEC fuse was blown so I replaced it and my...

i checked for continuity; also i connected relay to positive and negitive with fused jumper wire to battery terminal and got the click; after the click i tested the other end normally closed for continuity. It all checked out. On the distribution box where the fuel pump relay sits one terminal...

Inertia switch I checked and the inertia switch did not trip, and the wire is tight. I did notice that I'm only getting about 1.4 volts on both terminals going into the inertia switch. What could be causing this?

What will cause the inertia switch not to put out 12V. I'm trying to track down a problem with my 1993 Explorer. The vehicle just stopped running while driving; I checked all the relays and they seem fine. I don't hear the 3-5 second fuel pump noise any more. I read many post where it says...

I checked all the relays in the distribution box for continuity with and without jumper wire and they all clicked and had good continuity.

I have a 1993 Ford Explorer XLT; while driving yesterday afternoon the vehicle stopped running while I was on the highway. The radio and everything else seem to work fine. The vehicle will turn over without any problems, but want start. I was told that the ignition coil might be faulty. We...