Blower Motor Resistor: Removal
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 Chevrolet RV Cutaway, and 2002 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect the electrical connectors from the blower motor resistor assembly and the blower motor. Remove the retaining screws from the blower motor case. See Figure. Remove the blower motor resistor assembly from the blower motor case.