GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you review the Wiper/Washer System Circuit Description and perform the necessary inspections?

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Go to Step 2

Go to Symptoms

2

  1. Turn the ignition on.
  2. Turn the windshield wiper/washer switch to the off position.

Do the windshield wipers remain in the park position?

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Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

Disconnect the windshield wiper/washer switch pigtail connector.

Do the windshield wipers stop?

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Go to Step 6

Go to Step 4

4

  1. Disconnect the windshield wiper motor connector.
  2. Test and repair the following circuits for a short to voltage:
  3. • windshield wiper motor high speed voltage supply
    • windshield wiper/washer switch signal

Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

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Go to Step 7

Go to Step 5

5

Replace the windshield wiper motor cover. Refer to Wiper Motor Cover Replacement .

Is the repair complete?

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Go to Step 7

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6

Replace the windshield wiper/washer switch.

Is the repair complete?

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Go to Step 7

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7

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 3