ok so near the ecu on the main wire harness you have the plug in for the ecu a plug in for a relay a plug in for the wiring that leads to the back of the car under passanger seat a plug un that is a big one almost like the ecu plug in but it goes on the wall of the cab now i have a baby plug in left that goes no where
im getting upset i need my car running asap ive checked all relays and swapped them around im getting aggrevated i need help plz HELPPP
random plug in need help
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Hijacker
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'94 F-150 - Location: Fredericksburg, VA
Re: random plug in need help
I think a picture will go a long way in helping us figure out what you're asking about.
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dohmann777
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Re: random plug in need help
My number is 605 3704096 I only have a phone but I can send a pic
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IanS
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Re: random plug in need help
There is at least one plug in the passenger footwell that goes nowhere on most cars. Not sure what its for as every S I have ever ripped apart has had it just hanging out.
Did you have the whole wiring harness out of the car, or what work did you perform?
Check your grounds, missing the one behind the passenger headlight with wreak havoc on the whole electrical system. What problems are you having exactly?
Did you have the whole wiring harness out of the car, or what work did you perform?
Check your grounds, missing the one behind the passenger headlight with wreak havoc on the whole electrical system. What problems are you having exactly?
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dohmann777
- Posts: 97
- Joined: Wed Aug 15, 2012 5:36 pm
- Car: 97 gsx
Re: random plug in need help
Ok so yea the harness has been out of the car
I didn't know about the headlight ground I'll try that
The problems I am having is I'm not getting spark or fuel my pump
Won't prime I can put my teeth on the plugs and turn the car over and nothing everything else works
But it won't start things I have taken out since engine replacement
Ac And parts interior even dash had too looking for the clips
Grounds I have are to the diff the battery to chassis the one on the valve cover near
The intake manifold to the chassis and that's it my fuses are all good my relays are all good I'm stumped
Ecu and harness are both in good working condition just recently purchased
I didn't know about the headlight ground I'll try that
The problems I am having is I'm not getting spark or fuel my pump
Won't prime I can put my teeth on the plugs and turn the car over and nothing everything else works
But it won't start things I have taken out since engine replacement
Ac And parts interior even dash had too looking for the clips
Grounds I have are to the diff the battery to chassis the one on the valve cover near
The intake manifold to the chassis and that's it my fuses are all good my relays are all good I'm stumped
Ecu and harness are both in good working condition just recently purchased
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IanS
- Posts: 9757
- Joined: Thu Dec 23, 2004 3:07 pm
- Car: 2002 Subaru WRX, 2010 Subaru Forester XT, 2004 Infiniti G35 Coupe.
- Location: Esko, MN
- Contact:
Re: random plug in need help
Make sure all the wiring harness grounds are in and good. IIRC there is a ground from the harness to the intake manifold, a ground from the harness to the chassis behind the headlight, and a ground from the harness to the firewall behind the valve cover. You need them all or the ECU won't have enough power to turn on the main relay for the fuel pump, or the coils.