Are wiring harnesses interchangable? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 02-06-2006, 05:03 PM   #1
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Default Are wiring harnesses interchangable?

Just like the title says. Are the wiring harnesses interchangable between the different body styles using the same engines? I'm trying to track down a harness for a 97+ L67 and it would make it a lot easier if they are.
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Old 02-06-2006, 05:13 PM   #2
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Default Re: Are wiring harnesses interchangable?

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Originally Posted by 96SSEi_tampa
Just like the title says. Are the wiring harnesses interchangable between the different body styles using the same engines? I'm trying to track down a harness for a 97+ L67 and it would make it a lot easier if they are.
Ask Elmachogeracho...he'* been looking for a 97 L67 for a couple months... I think he found they weren't
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Old 02-06-2006, 06:12 PM   #3
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i believe the engine connections are the same, the differences are in the Trans connector
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Old 02-06-2006, 06:14 PM   #4
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97-99 SSEi should all be swappable.
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Old 02-06-2006, 06:38 PM   #5
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97-99 SSEi should all be swappable, but I was wondering if a 97+ GTP, PA, Riviera etc. engine wiring harness would work on a Bonneville.

1993 SLE, would the trans connections be different if they all use a 4T65-HD?
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Old 02-06-2006, 06:41 PM   #6
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Quote:
Originally Posted by 96SSEi_tampa
97-99 SSEi should all be swappable, but I was wondering if a 97+ GTP, PA, Riviera etc. engine wiring harness would work on a Bonneville.

1993 SLE, would the trans connections be different if they all use a 4T65-HD?
well im thinking that the 96 harness will be different than the 97+....

i would still be weary of the Trans connectors being different...becasuse some of the trans are year specific
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Old 02-06-2006, 06:47 PM   #7
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Quote:
Originally Posted by 96SSEi_tampa
97-99 SSEi should all be swappable, but I was wondering if a 97+ GTP, PA, Riviera etc. engine wiring harness would work on a Bonneville.

1993 SLE, would the trans connections be different if they all use a 4T65-HD?
gtp and regal have different tranny connectors. but riv, park ave, and olds lss have the same tranny connectors as a bonnie. i havent researched other connectors.
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Old 02-06-2006, 06:49 PM   #8
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That makes the search a little easier. Thanks.

So I could use the wiring harness off of a Riv, PA, or LSS in place of one for a 97+ SSEi?
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Old 02-06-2006, 09:09 PM   #9
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Quote:
Originally Posted by ELMACHOGERACHO
Quote:
Originally Posted by 96SSEi_tampa
97-99 SSEi should all be swappable, but I was wondering if a 97+ GTP, PA, Riviera etc. engine wiring harness would work on a Bonneville.

1993 SLE, would the trans connections be different if they all use a 4T65-HD?
gtp and regal have different tranny connectors. but riv, park ave, and olds lss have the same tranny connectors as a bonnie. i havent researched other connectors.
Thanks Matt...I knew you already had all this info.
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Old 02-06-2006, 09:55 PM   #10
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Quote:
Originally Posted by 96SSEi_tampa
That makes the search a little easier. Thanks.

So I could use the wiring harness off of a Riv, PA, or LSS in place of one for a 97+ SSEi?
im not 100% sure. i know that the tranny connectors are the same but i didnt check to see if everything else is. i would assume it is. i cant think of any drastic differences between the bonnie, riv, park ave, and lss engine wise.
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