- 1). Start the engine of the car and adjust the climate controls. If the climate controls do not feel right, then the problem is probably in the control panel. If the controls feel fine, but have no effect on the air then it is probably a blown fuse. If you cannot hear the accompanying blowing sound when the air is turned from low to high, then the problem is in the blower motor.
- 2). Replace a blown fuse in your Oldsmobile Alero easily. There are two interior fuse boxes in an Alero, but the right fuse will be found on the passenger side. Open the door and pry off the side panel to the right of the dashboard. The fuse is number 46.
- 3). Check the control panel next. Disconnect the negative battery cable first.
Remove the screws securing the cluster trim plate to the instrument panel and tilt the top of the cluster trim plate downward releasing the clips that mount the bottom of the trim plate to the dash. - 4). Remove the trim plate. Remove the screws attaching the accessory trim center plate to the dash. Tilt the top of the accessory trim plate downward releasing the clips that mount the bottom of the plate to the instrument panel.
- 5). Use a screwdriver to unscrew the screws attaching the control assembly to the dash. Remove the control assembly from the dash. Disconnect the electrical connectors and remove the control assembly.
- 6). Disconnect the negative battery cable from the broken blower motor. In an Oldsmobile Alero, the blower motor is located directly to the right of the control module. Remove the insulator panel, disconnect the electrical connections and pull out the blower motor.
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