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side view mirrors DO NOT WORK

Dwilsey

New Member
Joined
May 7, 2021
Messages
5
Anyone can help with what I can look at to see why my side view mirrors just stopped working? The only maintenance/service done to my 2002 AV prior to them stopping is I had the Knock Sensors removed and replaced and had an aftermarket rear view backup camera installed. Check the fuse interior and under steering wheel but it’s not blown. Any help is appreciated.
 
First step of troubleshooting something that just went wrong: undo what you just did. The knock sensor is unlikely to have done anything, but that backup camera could have depending on how it is wired.
 
One of my impressions so far of this vintage GM product.. The GM switches are hard to disassemble / clean, and are more trouble prone than their competitors..

On my recently acquired 17YO Avalanche the electric mirrors seemed to only work 5% of the time, and only if I messed with the select (right / left) switch.. I jumpered around the r/l selector switch and could make the mirrors work.. I bought a junk yard replacement for the drivers door (windows locks/mirrors) assembly, it all works fine now.
 
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