Wiper Motor: Testing and Inspection

CAUTION: Use care when handling wiper motor. Damage to magnets may result from rough handling.

1. Disconnect windshield wiper mounting arm and pivot shaft from windshield wiper motor, then disconnect electrical plug from test motor.
2. Connect green lead from Rotunda Battery and Starter Tester tool No. 010-00725, or equivalent, to battery positive post.
3. Connect positive (red) lead from tester to common brush terminal.
4. Attach ground first to low-speed connection, then to high-speed connection at connector plug. In either case, current draw should not exceed 3.5 amperes.