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. Turn the ignition switch to the RUN position.
  3. Connect a unpowered test lamp between the windshield wiper motor connector cavity B of CKT 143 (YEL) and ground.

Did the test lamp light?

--

Go to Step 4

Go to Step 3

3

Repair the open in CKT 143 (YEL) between splice S134 and the windshield wiper motor.

Do the wipers still operate in high speed only?

--

Go to Step 4

Go to Wiper /Washer System Check

4

  1. Disconnect connector C200 at the steering column.
  2. Connect a J 39200 between connector C200, Pin E5 in CKT 96 (BRN) and ground.

Is continuity present?

--

Go to Step 5

Go to Step 6

5

Repair the short to ground in CKT 96 (BRN) between connector C200 and the windshield wiper motor.

Do the wipers still operate in high speed only?

--

Go to Step 6

Go to Wiper/ Washer System Check

6

  1. Connect a J 39200 between connector C200, cavity E4 of CKT 93 (YEL) pigtail and cavity E5 of CKT 96 (GRY) pigtail.
  2. Place the windshield washer/wiper switch in the LOW position.

Is continuity present?

--

Go to Step 7

Go to Step 8

7

Inspect for an open in CKT 96 (BRN) between connector C200 pin E5 and the windshield wiper motor connector cavity D.

Was an open detected?

--

Go to Step 9

Go to Step 10

8

  1. Repair the open in CKT 96 (GRY) pigtail in the steering column.
  2. If there is no open, then 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 operate in high speed only?

--

--

Go to Wiper/ Washer System Check

9

Repair the open. open in CKT 96 (BRN) between connector C200 pin E5 and the windshield wiper motor connector cavity D.

Is the repair complete?

--

Go to Wiper /Washer System Check

Go to Step 10

10

Replace the multifunction lever. 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.

Is the repair complete?

--

Go to Wiper/ Washer System Check

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