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I need help with a 86-87 mustang gt wiring pinout

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I need help with a 86-87 mustang gt wiring pinout

Old 01-07-2019, 12:46 PM
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racing302
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Default I need help with a 86-87 mustang gt wiring pinout

Hi everyone, I am new to the forum. 😊 .... and i am in need of some help for my 86 mustang gt.... i need a wiring pinout of the ECU, what i want is a wiring diagram like in the pic below.... and before u say do your research, I already have.. I been spending 3 days looking everywhere all over the web for a wiring pinout of the ECU, and I can't finding anything on the 86-87 with speed density, the only wiring diagrams I find are for 89-93 gt, and their mostly about how to convert to maf, but I'm not trying to do that.. does anyone have a literal diagram of pinout on the ecu?....
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Old 01-07-2019, 12:49 PM
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Here's what I'm looking for, and I know this is for a different mustang, this is just for example
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Old 01-07-2019, 06:26 PM
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08'MustangDude
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None of your pictures are showing. Did you not proof-read your posts?
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Old 01-07-2019, 08:51 PM
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Yea, I read them and confirmed
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Old 01-07-2019, 10:18 PM
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Urambo Tauro
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I'm not seeing them either. No attachments, nor embedded images. Might have something to do with the forum limiting your permissions... I think there's a minimum post count you have to meet first.

In the meantime, maybe you can upload to a third-party image hosting service (like imgur, etc.) and let us know where we can view them.
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Old 01-07-2019, 10:21 PM
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racing302
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Oh, ok.. I understand.. I appreciate you all trying to help.. but I came across this YouTube video that had the answers I need.... I hope it helps other pop too... https://youtu.be/mqx4Y6SKPos
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Old 01-09-2019, 01:38 PM
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wbrockstar
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For future reference,heres the 86 ecu pinout diagram,just in case you or anyone else coming across this thread needs it.


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Old 01-09-2019, 01:41 PM
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Thank you wbrockstar... but I did find this one threw searching to, and it said it was for a 88-93 5.0 mustang gt..
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Old 01-09-2019, 03:51 PM
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wbrockstar
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Originally Posted by racing302 View Post
Thank you wbrockstar... but I did find this one threw searching to, and it said it was for a 88-93 5.0 mustang gt..
Its not for a 88-93 for sure.Take a look at the iac valve wiring.86-88 models were the only years that came equipped with a diode wired into the iac valve harness.89+ models came equipped with a diode built into the iac valve instead.If the diagram was for 89-93 models,the diode wouldnt be there.The next thing is a lack of maf sensor wiring in the diagram.86-88 didnt have a maf sensor,except 88 California cars.If you saw a diagram labeled 88-93 & maf wiring is visible in it,its most likely a diagram for a California model,otherwise the maf wouldnt be present.The last visible item that rules this diagram out as being for a 89-93 model is the map sensor label.86-88 (map) 89-93 (bap).........
For anyone wanting a different source,you can click on the following link then click on the 86 pdf,to download a bunch of diagrams for the 86 model.Its in pdf format,so make sure youve got a way to view it after download.

http://vb.foureyedpride.com/showthre...79-1986-in-PDF

Last edited by wbrockstar; 01-09-2019 at 03:57 PM.
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Old 01-09-2019, 05:02 PM
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😮 wow this is perfect, thank you wbrockstar
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