Front Wiper Motor: Sprint
- Remove wiper arm linkage and wiper motor cover. Unplug wiring connector. Test low speed circuit by applying 12 volts of battery current to Blue terminal and grounding Black lead to battery ground.
- Motor should rotate at a low speed of 45-55 RPM. See Fig 1
. Connect battery positive lead to Blue/Red terminal and ground battery negative to wiper motor Black lead. Motor should rotate at a high speed of 68-78 RPM.
- Check automatic park by connecting battery positive lead to Yellow/Blue terminal and battery negative lead to Black lead of wiper motor. Connect a jumper wire between Blue/White and Blue terminals. See Fig 1
.
- Repeat this test several times. If motor stops in the same location each time, the automatic park circuit is operating properly. See Fig 1
.
Courtesy of GENERAL MOTORS CORP.