GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Wiper/Washer System Check?

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Go to Step 2

Go to Wiper/Washer System Check

2

  1. Turn the ignition switch ON.
  2. Turn the front wiper/washer switch to the LO position.
  3. Backprobe the front wiper motor connector with a test lamp from cavity 2 to ground.

Did the test lamp light?

--

Go to Step 3

Go to Step 4

3

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

Is the repair complete?

--

Go to Wiper/Washer System Check

--

4

Backprobe the combination switch with a J 35616-200 unpowered test lamp from cavity 19 to ground.

Did the test lamp light?

--

Go to Step 5

Go to Step 6

5

Repair the open in the BLU wire between the combination switch and the front wiper motor. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

6

Backprobe the combination switch with a J 35616-200 unpowered test lamp from cavity 4 to ground.

Did the test lamp light?

--

Go to Step 8

Go to Step 7

7

Repair the open in the YEL/BLU wire between the combination switch and the WIPER WASHER FUSE. Refer to Wiring Repairs

Is the repair complete?

--

Go to Wiper/Washer System Check

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8

Replace the combination switch. Refer to Windshield Wiper and Washer Switch Replacement .

Is the repair complete?

--

Go to Wiper/Washer System Check

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