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Alpine White E46 M3
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Discussion Starter · #1 · (Edited)
I'm in the process of wiring an S2000 cluster into my RSX and need to tap the ECT (Engine Coolant Temperature) signal.

Can someone tell me where the ECT signal line is? I'm assuming it will be by the ECU? Or will I have to tap the signal line in the engine bay?
 
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