2001 MERCEDES BENZ S430
120,000 MILES
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I have 12v coming to cool fan this is new fan but not working is there anything I need to check?
Apr 11, 2013 at 1:28 PM
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ASEMASTER6371
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it is a ground control circuit. the controller grounds the circuit to turn it on based on inputs from the pcm.

Roy
Apr 13, 2013 at 6:59 AM