I'm replacing tow mirrors on my 2004 F250 with 2008 mirrors. Both are factory Ford mirrors. Need wiring diagram since connectors and wires are different. They both have power mirrors, turn signals, heated mirrors, but are not power retract or fold.

 

There are some good threads about doing this, I recently put some on my 05 and gleaned bits here and there. I'd start with these two:
https://www.ford-trucks.com/forums/1...th-pics-2.html
https://www.ford-trucks.com/forums/1...l#post15417384