July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
Rear Right Door
Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1, and check that the motor turns counterclockwise. See Fig 1.
Reverse the polarity, check that the motor turns clockwise. See Fig 1. If operation is not as specified, replace the motor.