GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Power Windows System Check?

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Go to Step 2

Go to Power Windows System Check

2

  1. Access the left door lock and side window switch.
  2. Turn the ignition switch to the RUN position.
  3. Connect a J 39200 digital multimeter (DMM) to CKT 1001 (DK GRN), terminal D at the side window lockout switch connector and ground.
  4. Test for voltage.

Is battery voltage present?

Battery Voltage

Go to Step 4

Go to Step 3

3

Locate and repair the open or the high resistance in CKT 1001 (DK GRN) between the left door lock and side window switch and terminal D of the side window lockout switch.

Is the repair complete?

--

Go to Power Windows System Check

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4

  1. Turn the ignition switch to the RUN position.
  2. Place the side window lockout switch in the NORMAL (UNLOCKED) position.
  3. Connect a J 39200 DMM to CKT 1307 (DK BLU), terminal B at the side window lockout switch connector and ground.
  4. Test for voltage.

Is battery voltage present?

Battery Voltage

Go to Step 8

Go to Step 5

5

Inspect for a poor connection at the side window lockout switch.

Is the connection OK?

--

Go to Step 7

Go to Step 6

6

Repair the connection as necessary.

Is the repair complete?

--

Go to Power Windows System Check

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7

Replace the side window lockout switch.

Is the repair complete?

--

Go to Power Windows System Check

--

8

  1. Access the left rear side window switch.
  2. Turn the ignition switch to the RUN position.
  3. Place the side window lockout switch in the NORMAL (UNLOCKED) position.
  4. Connect a J 39200 DMM to ground and CKT 1307 (DK BLU), terminal B at the left rear side window switch connector.
  5. Ensure that the connector remains connected.
  6. Test for voltage.

Is battery voltage present?

Battery Voltage

Go to Step 10

Go to Step 9

9

Locate and repair the open or the high resistance in CKT 1307 (DK BLU), terminal B at the side window lockout switch and terminal B at the left rear side window switch connector.

Is the repair complete?

--

Go to Power Windows System Check

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10

Replace the left rear side window switch.

Is the repair complete?

--

Go to Power Windows System Check

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