Engine harness help
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Junior Member
Joined: Nov 2005
Posts: 52
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From: Inglewood California
Car: 86 IROC
Engine: 355 TPI
Transmission: 700R4 w Trans GO shift kit
Engine harness help
need to know if a 85-89 tpi engine harness will work with a 89 interior harness do i need a 89 engine harness 
Joined: Jul 1999
Posts: 10,950
Likes: 26
From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Re: Engine harness help
In '89 GM combined the two harnesses, so the engine harness and the interior harness are in the same wire loom.
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