Powered Mirror Issue

[bcdenali]

I've got a 2008 Sierra Denali with a passenger mirror that's giving me grief.

 

The mirror has the signal lights built in, and the signal light works, but the rest of the power options on the mirror do not.

 

The mirror will not adjust via the adjustment controls, it will not auto-dim at night time, and it fold in.

 

As far as I can tell, it should be on the same fuse as the drivers mirror, which does work.

 

What should I look for? Is there a second fuse that I'm missing.

 

Thanks for any help or diretion.

 

BC Denali

[dlstewart01]

I've got a 2008 Sierra Denali with a passenger mirror that's giving me grief.

 

The mirror has the signal lights built in, and the signal light works, but the rest of the power options on the mirror do not.

 

The mirror will not adjust via the adjustment controls, it will not auto-dim at night time, and it fold in.

 

As far as I can tell, it should be on the same fuse as the drivers mirror, which does work.

 

What should I look for? Is there a second fuse that I'm missing.

 

Thanks for any help or diretion.

 

BC Denali

 

The passenger side mirror does not auto dim..At least they do not on the GMT 800s.

[MS3DALE]

 

The mirror will not auto-dim at night time, and it fold in.

 

The passenger side mirror does not auto dim..At least they do not on the GMT 800s.

 

 

Nope,They don't on the GMT900's either.

[bcdenali]

My misunderstanding. The mirror is not supposed to auto-dim.

 

The mirror does NOT autofold as it should, and it does not adjust as it should.

 

[gmercury]

You could check the conn @ the door module on the passenger side, one may be loose! Also where the door harness plugs into the dash. Not sure on the fuses though. Me personally though I would take it to the dealer if it's still under warranty. Hope you get it figured out!