You can hook up the heated portion of the mirrors if you didn't already have that option, although I am not quite sure on which wires are used...
The flip up and down part is done manually. Your factory joystick should work for the mirrors as well.
Thanks for the info, but how do I hook up the heated function safely? Wasn't an option on my 97 (I don't think) so how have guys done this in the past? Or do they just not take advantage of it. I read through the previous 18 pages and didn't see any clues. The later trucks seem to have the wiring provisions in the main HVAC harnes so its just a matter of plugging into that.
Any ideas?
Thanks
Chris