GM Service Manual Online
For 1990-2009 cars only

Power Window Inoperative - Right Side Front 4-Door Utility/Suburban

Step

Action

Value(s)

Yes

No

DEFINITION: This diagnostic should be used only if the right power window is inoperative from both power window switches.

1

Has the Power Windows System Check been performed?

--

Go to Step 2

Go to Power Windows System Check

2

  1. Place the ignition switch in the RUN position.
  2. Connect a test lamp between terminal A and terminal B of the RF power window motor connector.
  3. Press up the RF power window switch.
  4. Observe the test lamp.

  5. Press down the RF power window switch.
  6. Observe the test lamp.

Does the test lamp light each time the switch is pressed?

--

Go to Step 6

Go to Step 3

3

  1. Connect a test lamp at the RF power window switch connector between terminal J and terminal L.
  2. Press up the LF power window master switch.
  3. Observe the test lamp.

  4. Press down the LF power window master switch.
  5. Observe the test lamp.

Does the test lamp light each time the switch is pressed?

--

Go to Step 4

Go to Step 5

4

  1. Connect a test lamp at the RF power window switch connector between terminal G and terminal K.
  2. Press up the RF power window switch.
  3. Observe the test lamp.

  4. Press down the RF power window switch.
  5. Observe the test lamp.

Does the test lamp light each time the switch is pressed?

--

Go to Step 7

Go to Step 8

5

  1. Connect a test lamp at the LF power window master switch connector between terminal B and terminal D.
  2. Press up the LF power window master switch.
  3. Observe the test lamp.

  4. Press down the LF power window master switch.
  5. Observe the test lamp.

Does the test lamp light in each time the switch is pressed?

--

Go to Step 9

Go to Step 10

6

  1. Inspect the RF power window motor for a faulty connection.
  2. If the connection is OK, replace the RF power window motor. Refer to Front Side Door Window Regulator Replacement .

Is the repair complete?

--

Go to Power Windows System Check

--

7

Repair the open in CKT 666 (DK BLU) or in CKT 667 (BRN) between the right power window switch and the right power window motor. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Power Windows System Check

--

8

  1. Inspect the RF power window switch connector for a faulty connection.
  2. If the connection is OK, replace the RF power window switch. Refer to Power Accessory Switch Panel Replacement .

Is the repair complete?

--

Go to Power Windows System Check

--

9

  1. Repair any loose connections in CKT 167 or in CKT 166 between the LF power window master switch and the RF power window switch.
  2. Repair any opens in CKT 167 or in CKT 166 between the LF power window master switch and the RF power window switch. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Power Windows System Check

--

10

Replace the LF power window master switch. Refer to Power Accessory Switch Panel Replacement .

Is the repair complete?

--

Go to Power Windows System Check

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