GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Power Windows System Check?

--

Go to Step 2

Go to Power Windows System Check

2

Use a J 35616-200 unpowered test lamp in order to backprobe the left rear power window switch connector from cavity 1 to ground.

Does the test lamp light?

--

Go to Step 4

Go to Step 3

3

Repair the open in the BLU or the BLU/WHT wire between the left rear power window switch and SP370. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Power Windows System Check

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4

Replace the left rear power window switch. Refer to Rear Side Door Window Switch Replacement .

Is the repair complete?

--

Go to Power Windows System Check

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