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s4 n/a electrical stuff with s5 t2 ecu

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Old 08-11-05, 06:16 PM
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Needs more Displacement.

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s4 n/a electrical stuff with s5 t2 ecu

im swapping to an s5 t2. i have an s5 t2 ecu. how will this effect my s4 n/a gauges cluster, idiot lights, cruise control, ya know... all those things around the steering wheel?
Old 08-12-05, 10:13 AM
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A series four wiring harness will not connect to a series five ECU. The plugs are different.

That's not to say it can't be done. You'd need both the series four and series five wiring diagrams and pin/de-pin the harness plugs and I don't mean JUST at the ECU plugs.

There's someone else on this forum doing the pin swap way. Sorry, forgot his moniker.
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