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Thread: Could it be the ECU? Reply to Thread
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  Topic Review (Newest First)
09-24-2004 12:16 PM
quick5pnt0 Any updates? What did it turn out to be?

Oh and i finally got my SVT Certificate today. It's #1370 of 5009 Thanks again for the help with that.



09-01-2004 12:09 PM
quick5pnt0 Looks like a very useful site! Thanks for contributing Tom.



09-01-2004 09:11 AM
tmoss For lots of diagrams of the Mustang wiring, go to:

www.veryuseful.com/mustang/tech/engine

and look around.
07-30-2004 04:27 AM
quick5pnt0
ECU wiring pin numbers

Here they are. I put them both together on one page to hopefully make them easier to read and so they don't resize themselves.
I hope this helps. Thanks Art!

https://www.muscularmustangs.com/wiring.php



07-30-2004 02:24 AM
quick5pnt0 there's no real way to attach files to this forum, but if you want to e-mail me the files i'll upload them and post them here.



07-29-2004 07:19 PM
Art
Grounds

Not sure how to attached files to posts, but I can e-mail you the pin-out assignments for the 94/95 GT. For the grounds I doubt the Cobra is different. Hope this helps. It is a good idea IMHO to jump the 20, 40 and 60 pins to the negative battery terminal by running a dedicated wire.

Checking the grounds is a good exercise in any case, but I'd think about other influences as well. Was there any mod done or symptom seen just before you had this problem?
07-29-2004 03:00 PM
quick5pnt0 I would think that there would be one ground for the computer itself. The problem is you'd need to find somebody with a wiring schematic to see which wire it is and then trace it until you find out where it actually grounds.



07-29-2004 12:43 PM
ShiftTheDrift ttt
07-28-2004 07:29 PM
ShiftTheDrift
Re: Ut Oh

Quote:
Originally Posted by Art
... After that I would go to the computers grounds.
That's exactly where I was going next. Where can I find most of them?
07-28-2004 07:25 PM
Art
Ut Oh

Yeah the driver is circuitry in the ECU in charge of injector switching.

With the new computer on the car and the car showing the same symptoms, I'm not sure where to go with this. You sure you checked the 10 prong black/white connectors of the harness? Pull the plugs apart and clean the plugs, making sure the female side is slightly collapsed to ensure connection with the males. After that I would go to the computers grounds.
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