GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Wiper/Washer System Check performed?

--

Go to Step 2

Go to Wiper/Washer System Check

2

  1. Turn the ignition off.
  2. Disconnect the windshield wiper motor connector.
  3. Turn the ignition ON.
  4. Set the wiper/washer switch to OFF.
  5. Connect a test light from wiper motor connector terminal E to ground.

Is the test light on?

--

Go to Step 3

Go to Step 4

3

Repair the short to voltage in CKT 112.

If no short circuit is found, replace the wiper/washer switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle .

Is the repair or replacement complete?

--

Go to Wiper/Washer System Check

--

4

Connect a test light from wiper motor connector terminal D to ground.

Is the test light on?

--

Go to Step 5

Go to Step 6

5

Repair the short to voltage in CKT 113.

If no short circuit is found, replace the wiper/washer switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle .

Is the repair or replacement complete?

--

Go to Wiper/Washer System Check

--

6

Connect a test lamp from wiper motor connector terminal C to ground.

Is the test light on?

--

Go to Step 7

Go to Step 8

7

Repair the short to voltage in CKT 92.

If no short is found, replace the wiper/washer switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle .

Is the repair or replacement complete?

--

Go to Wiper/Washer System Check

--

8

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

Is the replacement complete?

--

Go to Wiper/Washer System Check

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