GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Wiper/Washer System Check performed?

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Go to Step 2

Go to Wiper/Washer System Check

2

  1. Disconnect wiper motor harness connector C1.
  2. Turn the ignition switch ON.
  3. Set the wiper switch to LO.
  4. Connect a test light from wiper motor connector C1, terminal F, to ground.
  5. Momentarily activate the washer switch while observing the test light.

Is the test light on after the washer switch is released?

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Go to Step 3

Go to Step 4

3

Replace the wiper/washer switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle .

Is the replacement complete?

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Go to Wiper/Washer System Check

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4

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

Is the replacement complete?

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Go to Wiper/Washer System Check

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