2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Will A S4 T2 Engine Work With S5 T2 Ecu And Harness?

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Old Aug 5, 2003 | 11:41 PM
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Will A S4 T2 Engine Work With S5 T2 Ecu And Harness?

Im thinking of buying a s5 t2 and switching my engine out of my s4 t2 but i would rather not switch ecu's and harness thank you for your help

Last edited by PISTONS; Aug 5, 2003 at 11:43 PM.
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Old Aug 5, 2003 | 11:45 PM
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no
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Old Aug 6, 2003 | 12:00 AM
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stay within the series to make your life easier
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Old Aug 6, 2003 | 09:49 AM
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So if i change everthing over engine harness and ecu to the s5 will it work with rest of the car?
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Old Aug 6, 2003 | 09:53 AM
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Just don't touch the driver's side harness.
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Old Aug 6, 2003 | 04:54 PM
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WRONG!!

The S5 ECU wont run the S4 dash.

Jarrett
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Old Aug 7, 2003 | 06:37 PM
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From: n
Yep, J-Rat is right - the crossover plug across the dashboard is 1) wrong type of plug, and 2) wiring is totally different.

A lot of the electrical plugs (water temp, fuel injectors) are totally different and won't work on a Zenki engine.



-Ted
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