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Post by AmunRoo on May 14, 2017 9:38:44 GMT -6
I have the regular base mirror with onstar and want to swap it out for on electrochromic mirror with compass and OnStar. Anyone know if it's just plug in play or do I need to run new wiring for the compass and to Power the electrochromic function? I can pull them mirror from a salvage yard by my house which would make it really easy if it's just plug and play. I tried searching but found nothing regarding this upgrade. Thanks in advance for any help!
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tigger
Administrator 
Posts: 2,844 
Staff Member
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Post by tigger on May 14, 2017 12:15:44 GMT -6
Should plug and play. Wiring diagrams are the same for DD7(w/compass) and DD8(w/o compass), and you're already wired for OnStar. Haha, not that the OnStar matters, but the backlights will still light up!
Give it a shot!
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Post by sall on May 14, 2017 19:41:32 GMT -6
Why not get the onstar fmv mirror?
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Post by AmunRoo on May 17, 2017 1:54:20 GMT -6
What is the fmv mirror... also, I'll post pictures of what I got
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Post by sall on May 17, 2017 8:40:04 GMT -6
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Post by Marc on Jun 23, 2017 8:57:42 GMT -6
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