GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: All of the power windows are inoperative from all of the door window switches.

1

Did you perform the Power Window System Check?

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Go to Step 2

Go to Power Windows System Check

2

  1. Remove the PWR WDO circuit breaker.
  2. Measure the resistance between the circuit breaker terminals.

Is the resistance within the specified range?

0-5 ohms

Go to Step 4

Go to Step 3

3

Replace the PWR WDO circuit breaker.

Did you complete the repair?

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Go to Power Windows System Check

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4

Measure the voltage between each of the underhood MaxiFuse block PWR WDO circuit breaker terminals and ground.

Is the voltage within the specified range for either measurement?

10-15 V

Go to Step 5

Go to Power Distribution Schematics in Wiring Systems

5

Repair an open or a high resistance in CKT 742 at the underhood MaxiFuse block. 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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