July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
Left Side Power Window Motor Operation
Connect the positive (+) lead from the battery to terminal No. 1 and the negative (-) lead to terminal No. 2. See Fig 1. Check that the motor turns counterclockwise.
Reverse polarity, and check that the motor turns clockwise. See Fig 1.
If operation is not as specified, replace motor.
Fig 1: Testing Left Side Power Window Motor Operation