GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Wiper/Washer Rear System Check performed?

--

Go to Step 2

Go to Wiper/Washer Rear System Check

2

  1. Disconnect the rear wiper/washer switch connector C1.
  2. Turn the ignition switch to RUN.

Is the wiper on?

--

Go to Step 4

Go to Step 3

3

Replace the rear wiper/washer switch.

Is the replacement complete?

--

Go to Wiper/Washer Rear System Check

--

4

Check for a short to voltage in CKT 391 or CKT 392.

Is a short to voltage present?

--

Go to Step 5

Go to Step 6

5

Repair the short to voltage in CKT 391 or CKT 392.

Is the repair complete?

--

Go to Wiper/Washer Rear System Check

--

6

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

Is the replacement complete?

--

Go to Wiper/Washer Rear System Check

--