Motor Test
- Disconnect wiper motor connector. Connect a jumper wire from battery voltage to Blue wire terminal of wiper motor connector. Ground wiper motor at Black lead. Low-speed should be 45-55 RPM. Connect battery voltage to Blue/Red wire terminal of connector. High-speed should be 68-78 RPM.
- If wiper motor does not operate, operates at only one speed or less than specified RPM, check for open in wiring or faulty switch. If wiring and switch are okay, replace motor.