My rear passenger window will not go up from either the driver switch or the rear passenger. The window will go down from both switches. The motor doesn't make a sound when the switches are switched up either. I know its not the motor because I supplied the power directly to the motor and got it to move both up and down. Its not the rear passenger switch because I swapped in the rear driver side and again only down but not up (I haven't figured out how to unhook the driver switch to test it). I opened the door panels and the door boots to look for damaged wires but I don't see any. I tried holding the switch up while wiggling the wires and opening and closing the door to see if its just a loose wire but no luck. Could the driver switch be the problem? From the research ive done I think its most likely a broken wire but everythong I can see is all good. FYI its a 91. When the problem first started a few weeks ago if i flicked the switch up and down a few times it would eventually go up. Thanks in advance for any help!

 

not sure but poss a broken wire in the rubber boot between door and body