GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Disconnect the windshield wiper motor connector.
  2. Place the ignition switch in the RUN position.
  3. Connect a test lamp between the windshield wiper motor harness connector terminal 3 to ground.

Did the test lamp light?

--

Go to Step 3

Go to Step 2

2

Repair the open in CKT 452 (BLU/RED) between the IP fuse block and S234.

Refer to Wiring Repairs .

Is the repair complete?

--

System OK

--

3

  1. Disconnect the multifunction switch connector.
  2. Connect a test lamp between the multifunction switch connector terminal 11 to ground.

Did the test lamp light?

--

Go to Step 5

Go to Step 4

4

Repair the open in CKT 83 (BRN) or CKT 371 (BRN) between the IP fuse block and the multifunction switch connector terminal 11.

Refer to Wiring Repairs .

Is the repair complete?

--

System OK

--

5

Connect a DMM from windshield wiper motor connector terminal 6 to ground.

Is there continuity?

--

Go to Step 6

Go to Step 7

6

Replace the multifunction switch.

Refer to Windshield Wiper and Washer Switch Replacement .

Is the repair complete?

--

System OK

--

7

Locate and repair the open in CKT 460 (BLK) or CKT 720 (BLK) or CKT 550 (BLK) between S325 and G105.

Refer to Wiring Repairs .

Is the repair complete?

--

System OK

--