NECRO POST ALERT!
So, not wanting to rehash what's been said already, I have a question.
I DETEST interior mounted mirrors; I grew up pulling horse trailers, have owned class VIII trucks, and still pull trailers, but for toys.
Because of that, the mirror is useless and always in my way.
What I would like to do is remove the mirror... and mount my GPS unit base. I like my mobile unit, as its also useful offroad, and when I'm hunting horseback I like to take it with me.
Anyway, I don't want wires hanging down, or up in this case, but I have no idea if there's a wiring harness beneath the mirror base, as I do not have a powered mirror; its just a standard reflecting mirror.
Any ideas if a power supply is there universally, or are they installed if/when, at the factory, a powered mirror is spec'd?
I guess if worse-comes-to-worse, I can pull a circuit over from the cab light, but I'd rather have the lazy option, lol!