GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC Suburban - 2WD 🢒 Body and Accessories 🢒 Wipers/Washer Systems 🢒 Wipers All Modes Inoperative

Step

Action

Value(s)

Yes

No

1

Did you perform the Front Wiper/Washer System Check?

--

Go to Step 2

Go to Wiper/Washer System Check

2
  1. Disconnect the windshield wiper washer switch connector C266.
  2. Connect a J 35616-200 between C266 cavity E4 and ground.
  3. Turn ignition switch to the RUN position.

Does the test lamp light?

--

Go to Step 4

Go to Step 3

3

Repair the open in CKT 143 (YEL) between the windshield wiper washer switch and the I/P fuse block. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

4
  1. Connect connector C266.
  2. Disconnect windshield wiper motor module.
  3. Connect a J 35616-200 between windshield wiper motor module connector cavity E and ground.
  4. Place the wiper switch in the LO position.

Does the test lamp light?

--

Go to Step 5

Go to Step 8

5
  1. Connect a J 35616-200 between windshield wiper motor module connector cavity D and ground.
  2. Place the wiper switch in the HI position.

Does the test lamp light?

--

Go to Step 6

Go to Step 9

6

Connect a J 35616-200 between windshield wiper motor module connector cavity B and B+.

Does the test lamp light?

--

Go to Step 7

Go to Step 10

7

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

Is the repair complete?

--

Go to Wiper/Washer System Check

--

8
  1. Repair open in CKT 96 (BRN) between the windshield wiper/washer switch and the windshield wiper motor module. Refer to Wiring Repairs in Wiring Systems.
  2. If no open was found, replace the windshield wiper/washer switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

9
  1. Repair open in CKT 92 (PPL) between the windshield wiper/washer switch and the windshield wiper motor module. Refer to Wiring Repairs in Wiring Systems.
  2. If no open was found, replace the windshield wiper motor module. Refer to Windshield Wiper Motor Replacement .

Is the repair complete?

--

Go to Wiper/Washer System Check

--

10

Repair open in CKT 150 (BLK) between windshield wiper motor module and ground. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Wiper/Washer System Check

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