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 the connector at the windshield wiper motor.
  2. Connect a unpowered test lamp between the windshield wiper motor connector  E of CKT 228 (RED) and ground.

Did the test lamp light?

--

Go to Step 3

Go to Step 4

3

Repair the short to voltage in CKT 228 (RED) between the windshield wiper motor and the windshield washer pump motor.

Does the washer shut off?

--

Go to Wiper/Washer System Check

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4

Replace the windshield wiper motor. Refer to Windshield Wiper Motor Replacement .

Does the washer shut off?

--

Go to Wiper/Washer System Check

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