GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: The rear window wiper does not operate during operation of the washer pump.

1

Was the Wiper/Washer Rear System Check performed?

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Go to Step 2

Go to Wiper/Washer Rear System Check

2

  1. Disconnect the harness connector from the wiper motor.
  2. Turn the ignition switch to the ON position.
  3. While holding the WASH switch in the ON position, measure the voltage between the harness connector, terminal D, and ground.

Is battery voltage present?

--

Go to Step 3

Go to Step 4

3

Replace the wiper motor assembly. Refer to Rear Window Wiper Motor Replacement .

Is the replacement complete?

--

Go to Wiper/Washer Rear System Check

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4

Repair the open in CKT 392. Refer to Wiring Repairs .

Is the repair complete?

--

Go to Wiper/Washer Rear System Check

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