GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

Did you review the Power Windows Description and the Power Windows Circuit Description operation and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Doors

2

Verify that all power windows are inoperative.

Are all of the power windows inoperative from both the master and the door switches?

Go to Step 3

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

3

Backprobe the master window switch with a test lamp from terminal 1 to ground.

Does the test lamp illuminate?

Go to Step 5

Go to Step 4

4

Repair the open in the BLU/WHT wire between the junction block and S244. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 6

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5

Repair the open in the BLK ground wire between terminal 9 of the master window switch and G200. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 6

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6

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3