i have no power to my exterior mirrors, I've checked the harness on body side of plug and no power is being supplied to the switch plug side of harness
3 Answers
HummerSeller answered 8 years ago
I have not had this problem with my hummers... but, when I had a similar problem with another brand of vehicle it turned out to be a faulty connector on the front electronic control module. Once the connector pin was fixed the problem was solved.