2009 GMC Sierra Autodimming will not turn off

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Apr 18, 2017 | 08:41 AM

#11

Tech II

Senior Member

True Car Nut

Joined: Feb 2014

Posts: 2,878

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From: Worcester, Ma.

but it doesn't answer the question, why the mirror did not revert back to normal when disconnected.....

Glad you got it fixed though......

Apr 18, 2017 | 11:45 AM

#12

r6chick2001

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Joined: Apr 2017

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could it be that the voltage sent into the mirror was higher than it should have been or the mirror got hotter than it should have and caused permanent damage to the electrochromic element inside?

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