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960 3 coils not working, replaced ICU still not working 900 1995

uid 44536's pic
posted by  darkdelta on  Fri Oct 7 20:47 CST 2011
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last visit: Fri Oct 24 12:52 CST 2014
[RELATED]

Sorry to hear about your problem, I have not had this, but I have a wiring diagram for my 1997 965. Here is what I can tell you, hopefully there are close.

Coils for cylinders 1-3-4 are driven by Power stage module 1. Power stage module 1 (and 2) are driven by the "Engine Control Module Unit behind left dash" that is from the wiring diagram. Additionally, pin 2 GRN/RED wires are the +12V that should be present on each plug, it appears they have a common source. Pin 1 is the signal from the Power stage module.

My 1997 is equipped with the MOTRONIC 4.4 version. I don't know what version the 1995's had it may be the 1.8 version. Someone else will chime in here, but maybe it is a starting place for you.

Best of luck, and post back when you are hitting on all cylinders.

Fred






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