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Old 10-24-2012, 12:12 PM   #2
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Join Date: Oct 2012
Location: Waco, TX
Posts: 8
My Ride: 325i
While searching posts I saw where this may be a phased wire set to come on with inputs of more than one type.

So I guess real question is can I check the electric fan by some combination of 12v/ground to determine if fan is not working or not being told to work?
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