Wiper/Washer Systems - Liftgate: Testing
NOTE:
Connecting power source to wiper motor with improper polarity will result in wiper rotating in wrong direction.
To operate motor without using park switch, connect battery voltage to terminal 3 and ground lead to terminal 4. See Fig 1 , View A. To turn wiper motor off and obtain proper park position, install park switch, if previously removed, and connect terminal 4 to ground. Connect a jumper wire from terminal 2 of the park switch to terminal 3 of the motor. Connect battery voltage to terminal 1 of park switch. See Fig 1 , View B.