Mirror motor going haywire

[Rufus Hardison]

Hey there, had my new 2016 Sierra Denali delivered to me a few weeks ago and when the delivery driver opened the side mirror up after hauling, he snapped the mirror glass away from the motor. I had to replace the motor in the mirror housing and now every time I start the truck, or turn off the truck the mirror glass just moves in every direction possible and it sounds like it’s just gonna burn up the brand new motor. The only way to stop it is to go inside the truck and take over the movement of the mirror, after I take control it stops moving on its own, until I come back to start the truck or I turn off my truck at my destination. The whole thing is really weird. Any tips or suggestions are welcomed, my biggest issue is after you install the mirror glass on the new motor there’s no way to access the motor without taking apart the whole mirror housing and door panel.

 

thanks,

rufus hardison