Test Description

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The numbers below Refer to the step numbers on the diagnostic table.

5. This step tests for continuity through the 390 ohm resistor in the windshield wiper/washer switch.
6. This step tests for continuity through the delay resistors in the windshield wiper/washer switch. The measured resistance will change in sequence from low to high as the delay speed is increased.

Fig 1: Wipers Inoperative - One Or More Modes (1 Of 2)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Wipers Inoperative - One Or More Modes (2 Of 2)

Courtesy of GENERAL MOTORS CORP.