fuel pump relay

  1. M

    Where does PCM relay ground to in 93 Fox?

    Where does the PCM relay go to ground in a 1993 5.0 LX Hatch? It’s an oddly specific question, I’ve been having trouble with my fuel pump relay not priming when the ignition is turned on for any period of time. When bypassing the ignition by giving the self test connector power the FP relay...
  2. P

    93 Mustang LX - Integrated Relay Control Module replacement?

    Hello, I'm new to these forums. Earlier this year I got a 93 Mustang LX Hatchback 4 Cylinder. I'm in Vancouver Island in British Columbia, Canada. This week the car died on me, it cranked but didn't start. I followed an old post here, which was a godsend and was able rule out the inertia...
  3. J

    Bad wiring for fuel pump relay/constant priming? 1992 mustang gt

    So recently just got back from vacation and went to start up my car to let it run for a little. When I went to start it up the battery was dead, so I swapped it out with one that should be charged. When I hooked up the battery, some more sparks flew than usual (probably just me being stupid) and...
  4. D

    New to mustang world. Have a 91' lx 2.3l with problems.

    I had the car running just the other day. Went to start next day and fuel pump wasn't turning on. It's a brand new pump. The ignition switch has also been replaced in the past. Just bought a new fuel pump relay thinking that's all it was. sadly, still nothing. When I jump the wires at the fuel...
  5. 66gt5.0H

    Fuel Pump Problem on 93 Cobra swap

    Ok I'm almost done with my swap. Before I go into anything, Yes I checked the inertia switch and it works as designed. :cool: -66 Mustang Coupe -1993 5.0 Cobra Swap -1993 T5 Also, let me say that I've read many 5.0 Fuel pump troubleshooting guides and I still am having a brain block on this...
  6. Trent B

    1986 Gt Shut Off/fuel Pump Issue

    Hey what's up guys, Im new to the forum here. So here's my dilemma. I have a 1986 GT 5.0 That keeps shutting off. You start the car up, it runs fine, sometimes for a few minutes, sometimes for a few seconds. Sometimes it will shut off on its own, sometimes it will happen if you press the...
  7. Chrisb123

    Electrical Yellow Solenoid Wire !!!help

    Hello everyone from Miami FL Please help my car turned off the other day and yellow wire going to solenoid from harness burned, don't know what this wire does or is supposed to do but when I tried starting again with it connected I noticed the tach jumped, also my fuel pump isn't priming Can...
  8. B

    5.0 Swap Fuel Pump Wiring Question? Please Help!

    I am installing a 1991 Mustang 5.0 GT motor / trans swap with wiring harness in a 1953 Ford Custom and my question is regarding an inline electric fuel pump that I would like to use the stock wiring and relay out of the Mustang for. The four wires coming out of the fuel pump relay are the Green...