Quote:
Originally Posted by jcgranato
I assume this points to a bad window motor.
Any other thoughts?
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I had the same problem on my 87' 911. Pull the motor out, disassemble it from the gear drive. Give the worm gear a couple of turns by wrapping a rag around the gear and carefully use a pliers to turn it. Hook it up to 12vdc and see if it spins. If so, then your armature is cruddy. Pull the motor apart, carefully clean the armature with some thinner followed by running 600 grit paper gently around the armature. Slap it back together and your home free. If it doesn't run when hooked up to 12vdc following your manually turning the gear you motor is dead. Just be carful when taking it apart and re-assembling so you don't damage the brushes.