GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Place the ignition switch in the RUN or ACCY position.
  2. Connect a test lamp between CKT 164 (DK BLU) and CKT 165 (BRN) at the right power window master switch connector cavity B and cavity D.
  3. Press the window switch up and down.

Does the test lamp light in both positions?

--

Go to Step 3

Go to Step 2

2

  1. Inspect the right window master switch connector for poor connections.
  2. If you find no poor connections, replace the right power window master switch.

Is the right window still inoperative?

--

Go to Step 3

System OK

3

  1. Connect a test lamp between the CKT 164 (DK BLU) and CKT 165 (BRN) at the right power window motor.
  2. Press the window switch up and down.

Does the test lamp light in both positions?

--

Go to Step 5

Go to Step 4

4

Repair the open between the right power window master switch connector and the right power window motor connector in CKT 164 (DK BLU) or CKT 165 (BRN).

Is the right window still inoperative?

--

Go to Step 5

System OK

5

  1. Inspect the right power window motor connector for a poor connection.
  2. If there is no poor connection, replace the right power window motor.

Is the right window still inoperative?

--

--

System OK