First time turning the key: Fuel pump won't prime/run

Discussion in 'Fox 5.0 Mustang Tech' started by 1990Coupe, Oct 19, 2008.


  1. stykthyn

    stykthyn Commander of the snuggie cultists

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    the two wires grounded to the floor is the lumbar plug. the other is the fuel pump relay.
    I had a 93 four banger and it did not have the plug for the fuel relay unless it's hidden underneath the carpet somewhere.
  2. 1990Coupe

    1990Coupe Founding Member

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    I doubt it is as im sure they moved the relay on 4cyl's to the passenger side shock tower into a CCRM..

    OH BTW, can i reuse my computer? its an a9p. I don't see why not?


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  3. strtrcr50

    strtrcr50 New Member

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    Yes, you can reuse the computer. You won't have a problem there as far as I know.
  4. 1990Coupe

    1990Coupe Founding Member

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    I'm so like.. ****ed/upset you know? i just got her all together, now i have to take it all apart. I'm really bummed. At least now though she "should" fire right up!
  5. stykthyn

    stykthyn Commander of the snuggie cultists

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    well it's just the harness that needs to be changed. it shouldnt be that hard.
  6. sscobra

    sscobra New Member

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    Let me know if you can't find the harness you need. I will try to find one!
  7. stangfan1

    stangfan1 New Member

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    what ever happened here? i am going thru a very sickening and similar thing.
    please tell me you figured it out, then tell me how>please

    thanks
  8. wade mobley

    wade mobley New Member

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    all fuel pump relays send the same amount of power to the pump i would replace the relay or check the wiring for shorts the inerta switch is the only relay (switch) inside the car besides fuses & other relays
  9. 1990Coupe

    1990Coupe Founding Member

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    I had the wrong harness.. Once I got an ECU and headlight harness from a 92+ car, hooked it all up, and the car fired right up. :nice:

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