Not much to them, any DC electric motor spin clockwise OR counter clockwise, based on polarity of its 2 wires, 12v or ground, + or -
So the master control is a Polarity control, sends +/- or -/+ to each motor to move the mirror up/down, left/right
(same applies to power windows, power door locks, even electric 4WD contol)
You do need to run 3 wires from drivers door to the passenger door
And you need a 12v wire and a Ground wire to the Drivers door
12v can be full time, like factory mirrors or key on 12v, your choice
The door metal is NOT a good ground, need to ground to cab metal
Couple of Ranger power mirror diagrams here
NCA on wiring diagrams means No Color Assigned, which usually means the "part" was made with wire leads attached so need to use Pin IDs to match Ranger color code
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