GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Were you sent here from the Wiper/Washer System Check?

--

Go to Step 2

Go to Wiper/Washer System Check

2

  1. Disconnect connector C3
  2. Turn the ignition switch to the ON position.
  3. Using a J 39200 , test for B+ at cavity 4 of junction block 2.

Was the test result equal to B+?

--

Go to Step 4

Go to Step 3

3

Repair/replace junction block 2. Refer to Instrument Panel Wiring Harness Replacement in Instrument Panel Systems or Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

4

  1. Reconnect connector C3 to junction block 2
  2. Disconnect the windshield wiper/washer switch connector.
  3. Turn ignition to the on position.
  4. Test for B+ at cavity 17 of the windshield wiper/washer switch connector using a J 39200 .

Was the test result equal to B+?

--

Go to Step 6

Go to Step 5

5

Repair the open in the BLU wire between the windshield wiper/washer switch connector cavity 17 and the junction block 2, connector C3 Cavity 4. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

6

  1. Reconnect the windshield wiper/washer switch connector.
  2. Disconnect the windshield wiper motor connector.
  3. Turn the windshield wiper/washer switch to the HI position.
  4. Turn the ignition switch to the on position.
  5. Test for B+ at cavity 2 of the windshield wiper motor connector.

Was the test result equal to B+?

--

Go to Step 8

Go to Step 7

7

Replace the windshield wiper/washer switch. Refer to Windshield Wiper and Washer Switch Replacement .

Is the repair complete?

--

Go to Wiper/Washer System Check

--

8

Test for continuity between cavity 1 of the windshield wiper motor connector and ground using a J 39200 .

Is there continuity in the WHT/BLK wire?

--

Go to Step 9

Go to Step 10

9

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

Is the repair complete?

--

Go to Wiper/Washer System Check

--

10

Repair the open in WHT/BLK wire between windshield wiper motor cavity 1 and G203. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Wiper/Washer System Check

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