US S4 Harness with S5 engine & ECU

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02-05-08, 04:55 PM

1991rx7vert

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US S4 Harness with S5 engine & ECU

Can I use a S4 TII engine harness with a S5 ECU and Engine?? what would I have to do to make it work??

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02-05-08, 04:57 PM

texFCturboII

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02-05-08, 05:01 PM

V8slayer

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No.

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02-05-08, 05:03 PM

texFCturboII

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Better off getting an s5 harness....

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02-05-08, 05:17 PM

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Well, if you read the following thread and the posts by Luciu$, and you understand what he is talking about as he writes, then yes, you can do it. If your confused by what he writes, then forget it altogether.

https://www.rx7club.com/2nd-generation-specific-1986-1992-17/s4-na-s5-jdm-turbo-conversion-405617/page2/