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I have worked on multiple door, wiring harness's on GM's. Those blasted electric window motor windows love tojamb up. Or their window switches, (momentary contact switch) will stick in the "up" or the "down" position without your knopwledge, burning up the motors. Anyway, back to your question; I have had Multiple instances where the radio fails to operate & interior lights fail, whil I have the harness unplugged waiting on parts. Mostly on family memeber GM cars. But, It has hap0pened alot. Has there bee recent damage to the LH (passenger) door or electric motor control.????
probably motor.take screws out of inside door handle and anywhere else you can find them attached to door.gently pry on seams of door for access.they are usually just pop in type clips.they take a little force but will come out.once you get past door cover,there may be metal cross beams underneath but you should be able to get access to motor.
Same problem. I had the driver window go first and then the passenger. You must replace the motors. Moisture has gotten into the motor and rusted parts of it. New motor cost be $55. It took two people (myself and a friend) a good 8 hours to extract old motor and install the new one.
no before you replace the motor because it goes down and is a pain id replace the window switch panel on the door in many cases one side of the switch works and the other dose not do to it being worn out ! replacing the switch panel is easy and takes less than 5 minutes in most cases and can save time and money if this is the problem as in so many cars! let me now it this helps
I replaced the window motor on the drivers door on my 02 Sunfire.
was a big pia .. you have to drill out the huge pop rivets and squeeze the motor and assembly out of the door.. The motor is then again riveted to the arm assembly. I used bolts to put the motor back on the arm, but had to buy the big pop rivets and a big pop rivet gun to put the door back together.. All in all a big PIA.. I would take it to a shop.. imo..
the only way i know is if the motor is still good, is to use a jumper wire to the motor.
1. remove the door panel
2. reach in the door and find where the connector connects to the motor, and take it loose
3take 2 pieces of wire take one from the contact closest to the inside the car to the battery. take the other from the contact to the outside the car and rou to a good ground.
4. if the motor is good it should go up.
If the motor is no good the only way I know is to remove the motor, pull the window up by hand, and then some how support it in the up posisdtion bacause the window will not stay up on its own.
if the motor is bad and its not a problem in the wiring, you are gonna have to remove the motor and pull or push the window up by hand, then you need to support the window to keep it from falling down. if the motor bolts in you can bolt it back in to keep it up. if not you can sometimes use a heavy duty zip tie around the track arms to hold it up. i would not recommend the duct tape i see a lot of people use. but thats your call. hope this was helpful.
I had the same thing happen about two years age. I had the drivers side window motor replaced and the brain surgen didn't notice the lock/unlock switch didn't work after he put the door insides back togeather. Bypassing, then replacing the switch solved the problem. Look for a short somewhere.