Scroll down to the "Electrical" link. It's likely that you'll have your questions answered there.
Then let us know how you made out.
But to answer your question, yes, sort of. Ford put most of the wiring in that you need for many factory options; you just need to find the factory plug in the existing wiring and have the door wiring that you're trying to install.
But check out the link for more concise information.
If you're thinking about installing the power window guts in the door, IDK if that works.
The wiring harness actually runs up along the inner cowl, and drops down on each side to connect to the doors. You will need to change the window regulators for power ones. You can use newer regulators, I think all the way up to 96/97, the motors change on the later ones though. I put a set from a 90 in mine. Your biggest problem will be finding good 85-86 window switch bezels, Archion has been trying to find a ggod set for his 86.
The wiring harness actually runs up along the inner cowl, and drops down on each side to connect to the doors.
Correct, but on trucks without power windows these need to be removed from the donor truck and added. Some of the wires plug into the fuse panel with their circut breakers. They are not present on trucks with manual windows and locks.