Harness help??!!!!
Thread Starter
Teching In
Joined: Jun 2012
Posts: 3
Likes: 0
From: Alexandria,MN
Harness help??!!!! I have my harness already to go in my firebird it's an 87 I'm putting a 5.3 in it and I heard you need the old harness from the tpi to make the gauges work??! Help ASAP!
You might have better luck on http://www.thirdgen.org/ . I think they have an LS section on the message boards now.
1987 was the last year of separate EFI and body harnesses.
If you're asking this question, you need to read up more on the schematics of the car and the donor harness.
If you're asking this question, you need to read up more on the schematics of the car and the donor harness.
87 and up gauges are electronic
direct link to forum http://www.thirdgen.org/techboard/ltx-lsx/
LS1 swap guide. Read through it and 99% of your questions will be answered http://www.thirdgen.org/techboard/lt...third-gen.html
direct link to forum http://www.thirdgen.org/techboard/ltx-lsx/
LS1 swap guide. Read through it and 99% of your questions will be answered http://www.thirdgen.org/techboard/lt...third-gen.html
