wiring harness the same?
wiring harness the same?
i currently have an s4 but i want to do an s5 engine swap this is an NA. can i use the same s4 harness or do i need an s5 because i want to just swap in the s4 for smogging.
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Joined: Apr 2001
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From: Rohnert Park CA
S5 and S4 engine harnesses and engine computers (ECU) are not the same and not compatible.
If you are attempting a swap between series, you need to decide on what ECU you are running and wire accordingly.
If you are attempting a swap between series, you need to decide on what ECU you are running and wire accordingly.
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