Download 1. Disconnect the electrical connector (3). 2. Remove the blower motor resistor mounting screws (1). 3. Remove the blower motor resistor (2) from the blower case. Fig. 3: Identifying Blower Motor Resistor Assembly (C42) Courtesy of GENERAL MOTORS CORP. Installation Procedure (C42) 1. Install the blower motor resistor (2) to the blower case. 2. Install the blower motor resistor mounting screws (1). Tighten Tighten the screws to 1.9 N.m (17 lb in). 3. Connect the electrical connector (3). Removal Procedure (C60) 1. Remove the A/C control relay bracket with the relay. 2. Remove the blower resistor harness. 3. Remove the stud from the IP, if necessary. 4. Remove the blower motor resistor mounting screw. 5. Cut the access cover from the case. Cut all four sides of the cover in order to remove the three attaching screws. Use a sharp utility knife in order to cut the case. Make the cuts straight and clean. The access cover must be reinstalled and is visible to the customer. 6. Remove the blower motor resistor assembly. Installation Procedure (C60) 1. Install the blower motor resistor assembly. 2. Install the blower motor resistor mounting screw. Tighten Tighten the screw to 1.9 N.m (17 lb in). 3. Utility only- Apply a bead of black weather-strip adhesive over the cut-line areas. Fig. 6: Exploded View Of Blower Motor & Evaporator Assembly Courtesy of GENERAL MOTORS CORP. 4. Utility only- Allow the adhesive to set for 15 minutes, or until the adhesive skins over. 5. Install the stud to the dash panel, if necessary. 6. Install the resistor harness. 7. Install the A/C relay bracket into the body.