GM Repair Problems? Ask GM Repair Expert Now.
You could have a problem with the switch, you could also have broken wiring in the door causing the problem. The first thing would be to test the switch. You will need a multi meter set to ohms. You can move the switch and watch the meter. You can also test this at the mirror itself. If this has no power and the switch is good. It is common for wires to break in the drivers door rubber boot that is in the jam. You can pull back the rubber and look at the wiring and lightly pull on them looking for broken wires.
Please reply to this if you need more help. If you are satisfied with my service, please rate 3 or more starts at the top of the screen. Rating does not close out your question. Remember, sometimes it is difficult to completely diagnose your vehicle without being there, but I will try to give you the best answer I can. If I am not giving you 5 star service, please let me know what I missed.
ASE Master Technician
Hello again Dan here,
I am contacting you because the post has not been closed or rated.
This question is coming up on 7 days which means it will close.
You have already paid to get this question answered, but you have not rated.
Let me help some more. Is there anything else I can help you with?
If I did not give you 5 star service, please let me know what I missed.
I do not get compensated for my time and resources unless you rate me.