I have the MDE 4000 in my 4/4 2005. The car has the posibility for 2 speed fan. (Easy fix) I´m working with a PCB-les car. At the moment I only use the PCB for engine immobiliser, engin and battery warning light. I think this 3 light are from the ECU.

Are there anybody that have en ECU wire diagram?

Picture of my dashboard:
https://flic.kr/p/21sb8Ew
And my wire diagram:
https://flic.kr/p/21sbj47

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2005 4/4.