Drivers window will not go back up tried new main switch and regulator?

Tiny
HD4FUN2003
  • MEMBER
  • 2002 GMC YUKON
  • V8
  • 2WD
  • AUTOMATIC
  • 42,000 MILES
Drivers window will not go back up tried new main switch and regulator and motor still not working. If I take the window apart it put it back up by pushing it up by hand it will go back down by power
Sunday, January 18th, 2009 AT 9:46 AM

7 Replies

Tiny
DAVE H
  • MECHANIC
  • 13,383 POSTS
Hello ..

There is only the switch and motor, I would use this guide to check the switch output and I have included the window wiring diagrams below and this guide to see where you are losing power.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

and

https://www.2carpros.com/articles/electric-window-repair

Check out the images (Below). Please let us know how it goes

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Sunday, January 18th, 2009 AT 2:32 PM
Tiny
HD4FUN2003
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  • 3 POSTS
There power in the blue wire when I push the power botton down no power when I push the power button up
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Monday, January 19th, 2009 AT 11:00 AM
Tiny
DAVE H
  • MECHANIC
  • 13,383 POSTS
There should not be power in blue wire when pressing down ? blue wire is the up feed wire ... is the plug on the wrong way ?? you are getting the live feed to one side of switch but not the other ? it has to be on the switch somewhere ... the dark green wire is the hot feed in for both up and down .. let me know


https://www.2carpros.com/forum/automotive_pictures/266999_window_3.jpg

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Monday, January 19th, 2009 AT 1:13 PM
Tiny
HD4FUN2003
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  • 3 POSTS
Wires can only go 1 way and there is no brake in the blue or browm. I can jum passenger side when un- plug up or down but can not jump drive side to go up onl down.
I just try new motor and regulator only will go down
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Monday, January 19th, 2009 AT 3:29 PM
Tiny
DAVE H
  • MECHANIC
  • 13,383 POSTS
The wire connector will only fit one way so that is correct. Your saying you can jump the passenger side both way's. But the drivers side will only go down even if you put 12volts directly to the blue wire connected to the motor? So it has to be the motor. But you also said that you get no power (hot) down the blue wire when you press the up button so the switch has to be faulty as well? Or am I missing something? Because you also said you get power down blue wire when you press the down button which you shouldn't get? This makes me think the switch again? But you have said you have replaced it also. There is only one hot feed and that is working. Am I reading you correctly. You tried putting 12volts directly to the blue wire while it was connected to the motor and nothing happened? If so the motor must not be working correctly
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Monday, January 19th, 2009 AT 4:22 PM
Tiny
POPASEAN
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  • 1 POST
I have replaced the window control and the motor. I have power and continuity to the switch and motor.
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Sunday, October 8th, 2023 AT 12:24 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Hi,

Is this the same year make and model as the original post identified? If you have power present and know the motor is good, then we need to be checking if there is a ground circuit present.

Let me know.

Joe
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Sunday, October 8th, 2023 AT 2:02 PM

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