LS1 Harness Question

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May 12, 2014 | 07:20 PM

rtrinh001

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LS1 Harness Question

I'm currently going through a ls1 swap into my FD RX7. I recently purchased a ls1 from a 1999 Corvette. The motor came with the wiring harness and ecu but what I'm curious about is if the harness will hook up to a t56 properly. If I remember correctly the 1999 vettes came with a different transmission so that's the reason I'm unclear about if the harness will work with it or not. I was also told that I may have to go with a F body harness to work with the t56 but I'm worried that if I go that route I would have to change all the sensors out because they may not correct for whatever reason. All replys are greatly appreciated. Thanks for your time.

May 12, 2014 | 10:16 PM

RonSSNova

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You realize the vette is drive by wire, right?

May 12, 2014 | 11:06 PM

rtrinh001

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Quote:

Originally Posted by RonSSNova

You realize the vette is drive by wire, right?

Yes I do but I was planning on running a cable throttle body. But if im missing something im open to suggestions and advice. im just mainly confused if itll hook up properly to the t56 if not will i need to change out sensors and stuff if i were to go with the f body harness and ecu. Another question I have is will the f body harness hook up to the vette ecu or vise versa? thanks for your time.

May 13, 2014 | 06:24 AM

Paul Bell

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rtrinh001, welcome to LS1tech!

This is the internal section, you know, cranks, rods, pistons...

We have a conversions & hybrids section for your questions where you'll probably get better results for your swap.

https://ls1tech.com/forums/conversions-hybrids-28/