Quote:
Originally Posted by ramonajim
Any ideas why I can get the motor to run fine down, but not up?
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A broken wire between the door and pillar is a common cause.
Quote:
Originally Posted by ramonajim
Can see that there are only two wires (neither appear to be ground?) going into the motor...
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Either wire can be ground; depends on the switch position. In the neutral position, system voltage is supplied to both motor terminals. Activating the switch opens one or the other positive circuit and closes that circuit to ground.