| power windows require wiring to do their thing. mine are reall simple, and the switches are in teh center console, so i literally only have a single wire going through to the door, for power. but if you want power windows that automatically go up at the push of a button, or have fancy features, or hook up to your alarm, or do all teh sort of crazy stuff that a power window does on most stock cars now, thats just more wiring.
want to have a switch on each door, want to be able ot lock out yrou other doors controls, more wiring, etc etc etc etc. | 
