Windshield Washer Switch: Testing and Inspection

1. Inspect intermittent switch operation as follows:
a. Place wiper switch in INT position.
b. Connect battery positive lead to terminal 17 and negative lead to terminal 2.
c. Connect voltmeter positive lead to terminal 16 and negative lead to terminal 7, needle sweep indicates battery voltage.
d. Using suitable wire, connect terminals 16 and 17, then connect terminals 16 and 2.
e. Battery voltage should rise from zero volts to battery voltage as shown in Fig. 23.

Fig. 23 Wiper Intermitten Switch Inspection.:

f. If operation is not as indicated, replace switch.