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Help identifying 1986 TPI harness connectors.

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Old 07-11-2023, 12:28 AM
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Help identifying 1986 TPI harness connectors.

Finally got a chance to look at this wiring harness. Looks like it has a few broken connectors and I’d like to order new ones. It’s a 1986 TPI harness and the engine will be a L31 originally a 305 TPI.


Old 07-11-2023, 08:53 AM
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Car: 87 Formula, 91 Trans Am
Engine: 355 tpi, 305tpi
Transmission: 700r4, 700r4
Re: Help identifying 1986 TPI harness connectors.

It looks like the first two seem to be for the AIR pump solenoids just above the pass side front exhaust manifold.
The second looks to be the IAC.
And the third should be the transmission connector.
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Old 07-11-2023, 11:29 AM
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Re: Help identifying 1986 TPI harness connectors.

Originally Posted by jkris53406
It looks like the first two seem to be for the AIR pump solenoids just above the pass side front exhaust manifold.
The second looks to be the IAC.
And the third should be the transmission connector.

Where’s the best place to order them ?
Old 07-11-2023, 01:17 PM
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Car: 87 Formula, 91 Trans Am
Engine: 355 tpi, 305tpi
Transmission: 700r4, 700r4
Re: Help identifying 1986 TPI harness connectors.

Trans connector is a Dorman number 85182.
The IAC GM number is 12085506, or Dorman 85112.
I would try AutoZone or Summit...
Old 07-11-2023, 09:18 PM
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Car: Resto-Mod 1987 IROC-Z Clone
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Re: Help identifying 1986 TPI harness connectors.

PM me for Any Wiring Needs.
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