My passenger window will not move sometimes and other times it will... I can get it to work by opening and slamming the door, idk if something is loose or is going out. It also goes up really slow when it does work.

 

Pull the rubber insulation off the wire harness that goes from body to door, check wires for slits/cuts. If one has damage cut out piece that is damaged and solder in a new one, pick a wire that is mostly weatherproof and feels like it can bend alot easily, make sure to heatshrink or cover the connection somehow. This happened on my driver side.

 

Okay, Ill have a look at it the next time its below 100 here, it is to hot...

 

yup, supposed to be a heat index of 105 today here in corpus. its going ot be nice to have cool weather for once

 

Trying bypassing the lock switch. Here is write up on how to...http://soxja.org/images/pics/Bypass/Bypass.html

I did this about 4 months ago and passenger side window works every time. May need a new motor for it to go up faster.

 

nah, if he slams the door and it works, i would go with the wires being broken or messed up from the door being opened and closed over the years. like when you bend a tin can back and forth and it finally breaks, wires do the same thing. they get brittle after being bent back and forth so much.