window motor testing
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Tuned
Joined: Sep 2011
Posts: 399
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From: Ness city Kansas
window motor testing
have a 92 f250 gasser. need to test window motors the harness is a 2 wire. is 1 qire up and 1 wire down and grounds through the mounting or is one wire power and other ground and the polarity is reversed? help me out
Lead Driver
Joined: Feb 2013
Posts: 5,006
Likes: 72
From: Roseville, MN
Another way of saying what rla2005 already said is that to drive the window up one of the wires is hot (I think the red, but I could be wrong) and the other (yellow?) is grounded. Then to drive the window down it's the opposite: the yellow is hot and the red is grounded. The motor mounting is not a part of the electrical circuit.
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