Need help troubleshooting power window switches
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Senior User
Joined: Apr 2003
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Need help troubleshooting power window switches
First is there a thread or tech article somewhere that would help? The passenger side window does not work with either switch. I remove the plug on the passenger side window switch and apply 12V and ground to the 2 wires going to the window motor and the window works one way. I reverse the jumper wires to the pigtail and it works the other way (up/down). So I think I have isolated it to be a switch. Now, how can I test to see which one it is?
Lead Driver
Joined: Nov 2008
Posts: 8,450
Likes: 70
From: South Jersey
im having the same problem with my dads truck also, pass front window doesnt work but if you apply 12v to the plug it goes up and down fine. ive asked before and tried searching and found nothing hopefully someone can help us both out
Laughing Gas
Joined: Aug 2008
Posts: 823
Likes: 5
From: Dallas, Oregon
both windows ground through the driver door switch. If the driver side window works, and the passenger side doesn't, then the problem is either in the wiring between the passenger door and the driver switch, or the driver switch itself.
I would substitute a known good switch on the driver's side. If that doesn't work, you need to check cointinuity of the wiring between the two sides.
I would substitute a known good switch on the driver's side. If that doesn't work, you need to check cointinuity of the wiring between the two sides.
Modular motor junkie
Joined: May 2009
Posts: 6,190
Likes: 8
From: Texas
What I have found is that in rough use both the power window and lock switchs get dirt in the contacts. With a flat screw driver you can carefully open the switch and pull out the contacts. clean them up and put a little WD40 on them. I wish I had taken pics when mine was apart.
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Randy Page
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Feb 21, 2006 11:13 PM
