LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Where can I get a new or rebuilt wiring harnesses for our cars

Old 04-15-2019, 12:14 PM
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Re: Where can I get a new or rebuilt wiring harnesses for our cars

Tried counting connectors but realized vendors don't post exact part pictures. Counted close to the same though. I would have to contact Howell's before purchase - which is common practice for a $700 purchase for me.

Thanks for the reference to Howell's LT1 FI guide as I've been on the border to purchase for long time. I think Howells sold another publication also but don't see it on they're w/s.
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Old 04-15-2019, 12:52 PM
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Re: Where can I get a new or rebuilt wiring harnesses for our cars

The Howell document I was referencing is entitled “Howell Engine Development, Inc. - Service Manual for Corvette, Firebird, Camaro LT1 & TPI”. You can get most of that info for free in a download of the factory service manual for your specific year. The Howell document incorporates a lot of factory manual pages. And what they did was mix sheets from 93 and later years,. Don’t know if they ever updated it. Last reference is to 1996 LT1. The first 20 pages (out of 103) appear to be system descriptions they condensed from the factory manual.

If you really want detailed info, the best reference available is “Corvette Fuel Injection & Electronic Engine Management” by Charles Proust. It even has a GM part # 12497977, in addition to the ISBN # 0-8376-0861-9. His info on the Opti has extensive detail not available elsewhere.
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Old 04-19-2019, 09:53 AM
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Re: Where can I get a new or rebuilt wiring harnesses for our cars

I have a complete harness and ecm from a 95 lt1 from a swap I bought where the guy had it in a jaguar. I literally have no use for it if you want it. Iíll do $400 if interested
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Old 06-12-2019, 10:52 AM
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Re: Where can I get a new or rebuilt wiring harnesses for our cars

Update--Received my new harness from BP Automotive. Ordered it on 3-27-19, received it 6-10-19. They told me 8-10 weeks so that's about right. Looks good--wires are labeled to help install. In the process of installing now.
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Old 06-12-2019, 01:18 PM
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Re: Where can I get a new or rebuilt wiring harnesses for our cars

Thanks for the follow up
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Old 06-13-2019, 09:38 AM
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Re: Where can I get a new or rebuilt wiring harnesses for our cars

Originally Posted by David94TA View Post
Update--Received my new harness from BP Automotive. Ordered it on 3-27-19, received it 6-10-19. They told me 8-10 weeks so that's about right. Looks good--wires are labeled to help install. In the process of installing now.
Good to know! I will keep them in mind for the future as my wiring harness will need complete replacement in the future. Thank you.
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