GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

Momentarily press the left front power window switch DOWN past the first detent.

The left front window moves to the full open position. In order to stop the power window, press the left front window switch UP.

2

  1. Press the left front window switch UP.
  2. Press the left front window switch DOWN. Stop at the first detent.

The left front window moves up and down. The power window stops when the switch is released.

3

Operate the right front power window UP and DOWN from the left front power window switch.

The right front window moves up and down. The power window stops when the switch is released.

Power Windows Inoperative from Left Front Switch

4

Operate the right front power window UP and DOWN from the right front power window switch.

The right front power window moves up and down. The power window stops when the switch is released.

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.