Question about 1991 Ford Explorer

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E.E.C fuse keeps blowing in 1991 Ford Explorer

My E.E.C fuse keeps blowing already replaced fuel pump, fuel pump relay, E.E.C relay as well as tried different fuses it keeps blowing fuses anyone got an answer

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  • 16 more comments 
  • rigbitz May 26, 2008

    already checked all wiring harnesses nothing damaged computer works

  • rigbitz May 27, 2008

    the problem was the same before i changed the fuel pump... the fuel pump was the last thing i tried im back to the same problem...

  • Anonymous Mar 13, 2014

    cannot locate the eec relay on my 1983 thunderbird

  • Anonymous Mar 13, 2014

    where is the eec relay located at on a 1993 ford f150 with a 5.0 eng

  • Anonymous Mar 13, 2014

    start missing an cuts off . what is the eec relay for

  • Anonymous Mar 14, 2014

    it blows even if is not on reverse

  • Anonymous Mar 14, 2014

    mercedes e320 f4 fuse on k40 relay keeps blowing

  • Anonymous Mar 16, 2014

    2005 ford explorer keeps blowing #15 fuse

  • Anonymous Mar 17, 2014

    having a problem with fueling evrey time i fuel it keeps clicking the gun i have 2008 ford explorer edy bower please help

  • Anonymous Mar 18, 2014

    blowing emc fuse when I hit a bump or take off hard

  • Anonymous Mar 18, 2014

    Fuse keeps blowing 15 amp

  • Anonymous Mar 19, 2014

    2000 S-10 replaced fuel pump but keeps shooting fuse

  • Anonymous Mar 21, 2014

    I was doing a tune up and when I bought plug wires they asked me if my truck had a eec and I answered yes. turns out it don't and I used the wires anyways. is there a difference

  • Anonymous Mar 22, 2014

    At my wit's end

  • Anonymous Mar 23, 2014

    high beam fuse keeps blowing

  • Anonymous Mar 23, 2014

    fuse 28 keeps blowing

  • Anonymous Mar 31, 2014

    05 f-250 5.4 keeps blowing fuel pump fuse changed pump still same problem

  • Anonymous Mar 31, 2014

    fuel pump worked now no fuel

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  • Ford Master
  • 1,224 Answers

If you replaced fuel pump i would look at backward wiring when replaced and i would start at the source of work if your vehicle was working fine before replacement then 9 out of 10 it will be your fuel pump wireing

sometimes when putting wireing back together the connectors have the missing clip and in turn you can turn the wireing in both directions now where positive is touching the ground on both sides of connector kris kross problem check your work this is crucial use a test light to find the right wires where they go

Posted on May 26, 2008

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  • Expert
  • 359 Answers

Sounds like you got a short try tracing harness to see if theres anything visible

Posted on May 26, 2008

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1 Answer

2004 pt cruiser keeps blowing fuel pump fuse,replaced fuel pump, no change.runs rough at idle and stalls,blows fp fuse,also replaced ign.coil,plug wires and plugs also changed relays


There are two fuses for the fuel pump relay. One fuse is load side of relay, that fuse also sends voltage to load side of asd relay, the asd relay sends voltage to several systems, two of which are the fuel injectors and ignition coil. I'm not telling you to replace, anything, but, you need to do some testing.
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I have 1999 Pontiac grand am, my fuel pump fuse blows out whenever the ignition switch is turned. Do anyone have any suggestions on the problem?


When you turn the key on, it sends power to a relay. On the back end of the relay would be the computer for the engine computer. Which controls the fuel pump. Basically telling the computer, I am requesting fuel. Since the fuse blows, the possibilities are a bad wire from the fuse to the relay. A bad relay. A bad wire from the relay to the computer. A bad computer. First pull relay in the panel,turn it on. If it doesn't blow the fuse, You have eliminated one wire. If it does, fix that wire. Then swap the relay with another in the panel, if it doesn't blow a fuse, replace the relay. If it does , then remove the two plugs from the computer(under the dash on the drivers side). If it still blows a fuse, fix the wire from the relay to the computer. If it doesn't blow the fuse. Replace the computer.

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Fuse for fuel pump keeps blowing


Normally fuse blows off if more current passes through it than what it is designed for.

Probably it is worth checking what original fuel pump fuse amps requirements and have the same installed.

Also check the relay if there is a relay set for the fuel pump.

Good luck

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This normally happens due to short in the wirings.Or if someone has connected a stereo or some other electrical contrivance to the wiring harness (bundle), either under the dash or under the hood.To confirm this unplug the fuel pump wiring connections and insert new fuse.Then start the car and see,if still the fuse blows then its a short in wiring.But if the fuse does not blows then its faulty fuel pump relay or faulty fuel pump itself.So first replace the fuel pump relay and see,if the fuel still blows then its faulty fuel pump.But if the fuse not blowing then relay was the faulty part.The fuel pump relay located on the fuse box under the hood.---------This troubleshooting tips will help you locate the fault and solve it.-------Thanks.Helpmech.

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