99 GMC Sierra Power Mirror problems


  #1  
Old 03-04-08, 02:55 PM
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99 GMC Sierra Power Mirror problems

Ive got a 99 GMC Sierra 1/2 that I bought from a good friend. The power mirrors have never actually worked. Occasionally I would get slight movement out of them but thats it. I bought a used but guaranteed to be good switch and I still have the same problem. An initial twitch of the mirror but that was it. Ive checked the fuse. Surely I dont have two bad mirrors. Any ideas anybody? Thanks
 
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Old 03-04-08, 03:28 PM
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update: with the new switch in, the up movement seems to be working better now but none of the other directions are doing anything. Have to manually put the mirror back where it should be
 
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Old 03-04-08, 03:53 PM
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Usually when only one or two directions work, the switch in the problem. But you can inspect the wires between the doors and the cowl for breaks. You also might want to pop the door panels off and inspect the wiring inside the doors.
 
 

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