Learn Me On Wiring Harness

Crazedstang · May 19, 2016

Okay guys, I have a 88 Gt that I bought as a project. The wiring for dash and ecu burnt up in fire. I have a buddy that gave me a 93 dash harness and my question is will a 91 ecu harness work with it or do I need a 92-93. The fuel relay is under the seat. We were wondering if the brown connector on the driver side dash harness is pinned differently then the 91 ecu harness. I have searched but found nothing.

Thanks David.

jrichker · May 20, 2016

The 87-89 cars had an instrument cluster and turn signal that was wired differently from the 90-93 cars. The wiring connectors can be re-pinned for the dash and turn signal. I have the instrument cluster re-pinning directions but I don't have a verified set of re-inning instructions for the 90-93.

The alternate year only drop in substitute for the 88 wiring harness were the 89 computer and dash harnesses.

Crazedstang · May 20, 2016

so to help with not making a headache of it all is get a 89?

Crazedstang · May 20, 2016

jrichker said:
The 87-89 cars had an instrument cluster and turn signal that was wired differently from the 90-93 cars. The wiring connectors can be re-pinned for the dash and turn signal. I have the instrument cluster re-pinning directions but I don't have a verified set of re-inning instructions for the 90-93.

The alternate year only drop in substitute for the 88 wiring harness were the 89 computer and dash harnesses.

But will the 91 ecu harness work with the dash harness?

jrichker · May 20, 2016

Crazedstang said:
But will the 91 ecu harness work with the dash harness?

I do not have diagrams for the 91 ECU harness, so I cannot say yes or no.

Crazedstang · May 20, 2016

jrichker said:
I do not have diagrams for the 91 ECU harness, so I cannot say yes or no.

The connectors look the same so I think it would.

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