I could not find any threads on this subject and I don't know if anyone has attempted to do this yet, but here it goes... Got a smokin' deal recently on some '08 power-fold / power-telescoping mirrors with heat, turn signal, and power adjust. I installed them on my '06 a few weeks back and the wiring for the power-fold / power-telescoping functions was not as bad as I thought.
I used 2 DPDT(double pole, double throw) momentary(on) -off- momentary (on) rocker switches. One switch is used fold both mirrors inward and outward. The other switch is used to telescope the mirrors inward and outward. The wiring was not that bad, but I can draw up a wiring diagram if anyone needs one. Both rocker switches were fed fused 12V power for overload protection.
See pictures below...
Mirrors folded out
Mirrors folded in
Switches located in dash. Top switch is for Power-telescoping. Bottom Switch is for Power-Fold.