Diagnostic Aids

WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

If the PWR WDO fuse is open, the cause could be one of the following:

A short to ground in the accessory voltage circuit.
A short to ground in one of the power window signal or power window motor control circuits. This would open the PWR WDO fuse with a switch activation.

Fig 1: Identifying Power Windows Inoperative - All Diagnostic Table (1 Of 2)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Identifying Power Windows Inoperative - All Diagnostic Table (2 Of 2)

Courtesy of GENERAL MOTORS CORP.