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Cooling fan 700

posted by  Volvodad on  Fri Jan 13 23:52 CST 2012
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last visit: Thu Oct 23 16:18 CST 2014
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Bad connections are usually the culprit in my years of tracking down electrical gremlins, rarely a component failure. The factory wiring diagrams for the car are invaluable in fault tracing. Does the relay have voltage at its #30 terminal (constant battery 12V)? If so, then it seems - based on all the stuff you have replaced - that it comes down to an open connection in the wiring to the ECU or faulty ECU.
--
Bob: son's XC70, dtr's '94-940, my 81GL, 83-DL, 89-745(V8) and 98-S90. Also 77-MGB and some old motorcycles.






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