GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Power Windows System Check?

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Go to Step 2

Go to Power Windows System Check

2

  1. Disconnect the LH window switch connector.
  2. Place the ignition switch in the RUN position.
  3. Use a digital multimeter (DMM) in order to backprobe between the LH window switch connector CKT 70 (PNK) and ground.

Is the voltage within the specified range?

10-15 V

Go to Step 3

Go to Step 4

3

Replace the LH 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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4

Repair the open in CKT 70 (PNK). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Power Windows System Check

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