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 connector C200 at the steering column.
  2. Connect a J 39200 between connector C200, cavity E4 of CKT 93 (YEL) pigtail and cavity E3 of CKT 92 (PPL) pigtail.
  3. Place the windshield washer/wiper switch in the HIGH position.

Is continuity present?

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Go to Step 4

Go to Step 3

3

  1. Repair the open in CKT 92 (PPL) pigtail in the steering column.
  2. If there is no open in the circuit, replace the multifunction switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column - Standard or Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column - Tilt.

Do the wipers still not run at high speed?

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Go to Step 4

Go to Wiper/Washer System Check

4

  1. Reconnect connector C200.
  2. Disconnect the connector at the windshield washer motor.
  3. Connect a unpowered test lamp between windshield wiper motor connector cavity C in CKT 92 (PPL) and ground.
  4. Turn the ignition switch to the RUN position.
  5. Place the windshield wiper switch in the HIGH position.

Did the test lamp light?

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Go to Step 6

Go to Step 5

5

Repair the open in CKT 92 (PPL) between connector C200 pin E3 and the windshield wiper motor connector cavity C.

Do the wipers still not run at high speed?

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Go to Step 6

Go to Wiper/Washer System Check

6

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

Do the wipers still not run at high speed?

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Go to Wiper/Washer System Check