harness interchangability????
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Joined: Dec 2005
Posts: 383
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From: NY
Car: 88IROC, 91Z28 + parts cars
Engine: 355, 408
Transmission: T56
Axle/Gears: 3.42 LS1, 9" w/ 4.56 and spool
harness interchangability????
I have some major problems with the underdash harness on my 88 IROC. I know that the columns are the same on the 86 to 88, but what I'm wondering is can I replace the harness with one out of any car from those 3 years, or are the harnesses different between the V6, TBI and TPI cars? Thanks for any help
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iTrader: (3)
Joined: Apr 2008
Posts: 3,002
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From: Wittman,Az
Car: 86 IROC-Z, '71 RS
Engine: 305 TPI/ 350
Transmission: 700R4/TH350
Re: harness interchangability????
The 85-89 harness's are all interchangeable. Gm calls it the "Cross-car harness" in most diagrams. Hope this helps....
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Joined: Mar 2007
Posts: 222
Likes: 0
From: South Side Of Westmonster MD
Car: 85 Z28 Camaro
Engine: TPI 305
Transmission: 5 spd
Axle/Gears: Uh, Haven't investigated this yet
Re: harness interchangability????
Would that mean my 85 Carb IP harness will work with a 86 TPI Engine harness and ECU Harness. I'm putting a 86 TPI in my car but I have run into some problems. Just wondering.
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