A Acadia536 New member Joined Oct 22, 2012 Messages 1 Reaction score 0 Points 0 Oct 22, 2012 #1 I have a 2012 Denali and have purchased a mirror tap for my radar detector. I need to know which wire is the 12 volt and which is the ground. I have the nav system, so the mirror does not have the rearview camera in it. Thanks.
I have a 2012 Denali and have purchased a mirror tap for my radar detector. I need to know which wire is the 12 volt and which is the ground. I have the nav system, so the mirror does not have the rearview camera in it. Thanks.