GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Power Windows System Check?

--

Go to Step 2

Go to Power Windows System Check

2

  1. Backprobe the right front power window switch from CKT 666 (DK BLU) cavity G to CKT 667 (BRN) cavity K with a test lampJ 35616-200 .
  2. Depress the right front power window switch to the UP or DOWN position.

Did the test lamp light?

--

Go to Step 3

Go to Step 5

3

  1. Disconnect the right front power window motor.
  2. Connect a test lampJ 35616-200 from CKT 667 (BRN) cavity A to CKT 666 (DK BLU) cavity B of the right front power window motor connector.
  3. Depress the right front power window switch to the UP or DOWN position.

Did the test lamp light?

--

Go to Step 6

Go to Step 4

4

Connect a Digital MultimeterJ 39200 from CKT 667 (BRN) cavity A at the right front power window motor to ground.

Is there continuity?

--

Go to Step 7

Go to Step 8

5

  1. Disconnect the right front power window switch.
  2. Connect a Digital MultimeterJ 39200  166 (LT BLU) cavity J at the right front power window switch to ground.

Is there continuity?

--

Go to Step 9

Go to Step 12

6

Replace the right front power window motor. Refer to Power Window Motor Replacement

Is the right power window inoperative from either switch?

--

Go to Power Windows System Check

--

7

Repair the open in CKT 666 (DK BLU) between the right front power window switch and the right front power window motor.

Is the repair complete?

--

Go to Power Windows System Check

--

8

Repair the open in CKT 667 (BRN) between the right front power window switch and the right front power window motor.

Is the repair complete?

--

Go to Power Windows System Check

--

9

Connect a Digital Multimeter from CKT 167 (TAN) cavity L at the right front power window master switch to ground.

Is there continuity?

--

Go to Step 11

Go to Step 10

10

Connect a Digital Multimeter from CKT 167 (TAN) cavity D at the left front power window master switch to ground.

Is there continuity?

--

Go to Step 13

Go to Step 14

11

Replace the right front power window switch. Refer to Power Accessory Switch Panel Replacement

Is the repair complete?

--

Go to Power Windows System Check

--

12

Connect a Digital MultimeterJ 39200 from CKT 166 (LT BLU) cavity B at the left front power window master switch to ground.

Is there continuity?

--

Go to Step 15

Go to Step 16

13

Repair the open in CKT 167 (TAN) between the left front power window master switch and the right front power window switch.

Is the repair complete?

--

Go to Power Windows System Check

--

14

Replace the left front power window master switch Power Accessory Switch Panel Replacement .

Is the repair complete?

--

Go to Power Windows System Check

--

15

Repair the open in CKT 166 (LT BLU) between the left front power window master switch and the right front power window switch.

Is the repair complete?

--

Go to Power Windows System Check

--

16

Replace the left front power master switch.

Is the repair complete?

--

Go to Power Windows System Check

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