GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Wiper/Washer System Check performed?

--

Go to Step 2

Go to Wiper/Washer System Check

2

  1. Set the ignition switch to RUN.
  2. Set the wiper switch to OFF.
  3. Disconnect the wiper/washer switch connector.

Do the wipers keep running?

--

Go to Step 6

Go to Step 3

3

Check for a short to voltage in the pigtail wires to the wiper/washer switch.

Is a short to voltage present?

--

Go to Step 4

Go to Step 5

4

Repair the short to voltage in the pigtail wires to the wiper/washer switch.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

5

Replace the wiper/washer switch. Refer to Windshield Wiper and Washer Switch Replacement - On Vehicle for Standard column or Windshield Wiper and Washer Switch Replacement - On Vehicle for Tilt column.

Is the replacement complete?

--

Go to Wiper/Washer System Check

--

6

Measure the voltage from the wiper/washer switch connector, terminal C, to ground using a J 39200 .

Is the measurement greater than the specified value?

1 V

Go to Step 11

Go to Step 7

7

Measure the voltage from the wiper/washer switch connector, terminal B, to ground using a J 39200 .

Is the measurement greater than the specified value?

1 V

Go to Step 14

Go to Step 8

8

  1. Reconnect the wiper/washer switch connector.
  2. Disconnect the wiper motor connector.
  3. Measure the voltage from wiper motor connector, terminal C, to ground using a J 39200 .

Is the measurement within the specified values?

10.5-15 V

Go to Step 9

Go to Step 10

9

Repair the short to voltage in CKT 92.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

10

Replace the wiper motor cover. Refer to Wiper Motor Cover Replacement .

Is the replacement complete?

--

Go to Wiper/Washer System Check

--

11

  1. Reconnect the wiper/washer switch connector.
  2. Disconnect the wiper motor connector.
  3. Measure the voltage from wiper motor connector terminal D to ground using a J 39200 .

Is the measurement greater than the specified value?

1 V

Go to Step 13

Go to Step 12

12

Replace the wiper motor cover. Refer to Wiper Motor Cover Replacement .

Is the replacement complete?

--

Go to Wiper/Washer System Check

--

13

Repair the short to voltage in CKT 113.

Is the repair complete?

--

Go to Wiper/Washer System Check

--

14

  1. Reconnect the wiper/washer switch connector.
  2. Disconnect the wiper motor connector.
  3. Measure the voltage from wiper motor connector, terminal E, to ground using a J 39200 .

Is the measurement within the specified values?

10.5-15 V

Go to Step 16

Go to Step 15

15

Replace the wiper motor cover. Refer to Wiper Motor Cover Replacement .

Is the replacement complete?

--

Go to Wiper/Washer System Check

--

16

Repair the short to voltage in CKT 112.

Is the repair complete?

--

Go to Wiper/Washer System Check

--