1. Disconnect the negative battery cable.
2. Remove the liftgate lower trim. (See LIFTGATE LOWER TRIM REMOVAL/INSTALLATION)
3. Disconnect the rear wiper motor connector.
4. Connect battery positive voltage to the rear wiper motor terminal A, and ground the rear wiper motor terminal B to a bare metal part of the vehicle.
5. Verify that the rear wiper motor operates.
6. Disconnect the ground to the terminal B while the rear wiper is operating.
7. Verify that the rear wiper stops in the park position.
