Question about 2001 GMC Yukon
Brand new gmc window motor and switch still not working
Check fuses for one thing, you may have an abraided wire in the harness where it enters the drivers door or where it enters the passenger cabin. You may also have a wire that flexes or is drawn across a rough edge of dash support, or sheet metal stamping.
Both may ocurr together near each other, or the rear passenger door wiring may be damaged in the pillar or along the channel where the wire is run.
This is one of those repairs that takes a very long time to locate and about 15 minutes to repair. If you have a warbler and inductive tone reciever like is used in telephone and communications installations, it could save a fair amount of time trying to locate the damaged wire.
It amounts to clipping the tone lead to each wire of the window lift circuit and following the wiring harness until a tone change ocurrs or tone stops- this would be the area to look for the damaged wire and it may not always visible if it was a fatigue failure.
Posted on Feb 20, 2012
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Posted on Jan 02, 2017
SOURCE: light replacement
Just reach behind the bumper and grab the light/electrical harness and twist is either way and then it should pull out put in a new 194 bulb and you are set.
Posted on Jan 08, 2009
SOURCE: Gmc yukon stuck in park.
possible brake switch not sending signal to shifter solenoid to allow shifter movement. possible broken shifter knob/relay rod in shifter assembly
Posted on Nov 15, 2009
you have to fix the problem with ur brakes- first check the wiring ,connectors and connection clips to the abs sensors and modulator if looks ok than have truck scanned some auto stores such as auto zone / advanced auto do it for free the code will give u a start point towards fixing ur problem--visual inspection of brakes doesnt always show problem
Posted on Nov 26, 2009
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Window fuse's and relay's may be up under driver or passenger side dash or behind glove box, under the hood and even under the seats, and finally on the ends of the dash. All passenger power windows and locks are controlled thru and get power from the master control switch on the drivers door.
Drivers door window gets used the most so it could be the motor, window switch, relay or fuse.
Could also be a broken wire in the rubber boot going from the door to the body. You will have to eliminate each till you find the culprit. Check that all switches return to neutral when released.
The motor and the relay are the most likely to cause this problem. Try swapping the relay with a working window relay. If it still doesn't work, remove the door panel and remove the window motor.
Turn the motor shaft in both directions by hand several turns. Then plug the motor in and see if the switch will now run the motor. Sometimes that's all it takes to get it working again. I have had to do this with brand new motors. If voltage is not present at the motor connector, either a bad switch or a broken wire exists. Make sure to check for voltage coming to that windows switch. Actually, GM use's a circuit breaker type relay for each window and one fuse for all the circuit breakers.
Open the door, turn the key to the ON position without starting the engine and everything that makes noise is off. Lean down placing your ears close to the bottom center of the door or at the speaker grill. Press the window switch UP and DOWN. Listen for the window motor. If heard the drive is damaged. If not heard, turn key off and locate and replace the relay with one of the other window relays. Check window again. If it works now, get a new relay. More often than not, removing the motor and turning it by hand will get it working good as new. I have had to do that with Brand New motors! So try it.
If all has failed, with the door panel still off, check for voltage at the motor connector when pushing the window switch. No voltage means its the switch, especially if its a auto down or up switch.
Most cars these days have this designed into the window system. It's a safety issue and I'm afraid there may nothing you can do. If there is more window track below the bottom of the glass, look for stops bolted or riveted in the track. If so, you may be able to move them down. However, this is dependent upon the drive mechanism, which may also limit window travel.
Check the master window control panel on the driver's door. There is probably a lockout switch. It may have a window outline on one end and the same outline with an "X" over it on the other. Press the outline without the "X" and all your windows should work again. As silly as that sounds, a lot of people hit that switch without knowing it. Also, if that switch(lockout) is faulty, none of the windows will work. That happens A LOT!!
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