Operation CHARM: Car repair manuals for everyone.

Windshield Washer Switch: Testing and Inspection

1. Inspect intermittent switch operation as follows:
a. Connect battery positive lead to terminal 5 and negative lead to terminal 7, Fig. 24.

Fig. 24 Wiper Relay:






b. Using suitable wire, connect terminals 7 and 8, check continuity between terminals 1 and 5, as shown in Fig. 25.

Fig. 25 Wiper Relay Intermittent Operation Inspection.:






2. Inspect washer circuit relay as follows:
a. Connect battery positive lead to terminal 5 and negative lead to terminal 7.
b. Check continuity between terminals 1 and 5 as shown in Fig. 26.

Fig. 26 Wiper Relay Washer Circuit Inspection:






c. If operation is not as indicated, replace relay.