Wiper Motor: Testing and Inspection

Refer to DIAGNOSTIC CHARTS, for complete system diagnosis.

Fig. 39 Windshield Wiper Connections:

Low Speed Test
1. Using 12 volt battery, connect positive terminal to ``LO'' terminal on motor, and negative terminal to wiper motor body Fig. 39.
2. Motor should rotate at 45 to 55 RPM.

High Speed Test
1. Using 12 volt battery, connect positive terminal to ``HI'' terminal on motor, and negative terminal to wiper motor body Fig. 39.
2. Motor should rotate at 69 to 83 RPM.