[dajester]

Yes, I did try putting the truck into reverse. Doing so has allowed me to locate a pin on the factory harness which provides a 14V signal when in reverse and off whenever not in reverse, but I do not know how the mirror would use this signal. Like I've said, the mirror itself has power, yet the monitor inside the mirror has not come on. Does the monitor require a separate power input from the rest of the mirror? Will the monitor only power on when it receives a signal from the camera? Which pins on the factory harness are the ones that relay the camera signal, and which pins on the mirror adapter are the ones that accept it?