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#1
05-19-2005, 12:47 AM
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Which wire is the hot one?
Would anyone happen to know which of the two wires to a 450 SL windshield washer pump is +? The choices are solid wire and striped wire. Ordinarily there are several ways to check but in this case I can't use them.
I'm putting the terminals back in the snap case, and need to observe polarity. There is no power to these wires when the stalk is energized. The fuse is good. What's the next thing to check? 
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#2
05-19-2005, 01:05 AM
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wires
what color are they? have you tried replacing the fuse anyway? it may have a hairline fracture.
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#3
05-19-2005, 08:21 AM
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why don't you test wires for continuity to ground (any metal part of the car) with an ohmeter? the one with continuity is ground and the other is +.
__________________
2005 Mercedes C230k sport sedan, 6 speed 1987 Porsche 924S - 968-engined track car
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