1. Connect battery positive voltage to terminal B or A and ground to terminal C, and inspect operation of the windshield wiper motor as indicated in the table.
2. Disconnect battery positive voltage from the motor terminal B while the wipers are operating.
3. Verify that the wipers do not stop in the park position.
4. Short between the motor terminals D and A, and connect battery positive voltage to the motor terminal E.
5. Verify that the wipers operate at low speed again, then stop in the park position.