GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you complete the power windows system check?

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Go to Step 2

Go to Power Windows System Check

2

  1. Place the ignition switch in the RUN position.
  2. Place the window lockout switch in the UNLOCK position.
  3. Use a J 39200 digital multimeter (DMM) in order to measure the voltage between the left front power window switch connector terminal S and ground.

Is the voltage within the specified range?

10-15 V

Go to Step 3

Go to Step 4

3

Repair an open in CKT 1307 (DK BLU). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

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Go to Power Windows System Check

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4

Replace the left front power window switch. Refer to Front Side Door Window Switch Replacement .

Did you complete the repair?

--

Go to Power Windows System Check

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