Planning to do the same on my new trail boss. Also looking at the mirrors…..OK so I grabbed the plug up in the upper console and brought that down to the mirror and used that. I believe I am going to get a auto dim mirror now. I didn't realize they still used manual dim ones. $60,000 truck and it is manual! Weird thing is the plug is right there and from what I can see the mirrors are not that much money. Anyway, if anyone is looking for power around the mirror there is some available