GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the right rear quarter trim panel. Refer to Rear Quarter Trim Panel Replacement in Interior Trim.
  2. Disconnect the electrical connector from the blower motor resistor.
  3. Remove the retaining screws from the blower motor resistor.

  4. Object Number: 621723  Size: SH
  5. Remove the blower motor resistor (1) from the vehicle.

Installation Procedure


    Object Number: 621723  Size: SH
  1. Install the blower motor resistor (1) to the vehicle.
  2. Install the retaining screws to the blower motor resistor.
  3. Connect the electrical connector to the blower motor resistor.
  4. Install the right rear quarter trim panel. Refer to Rear Quarter Trim Panel Replacement in Interior Trim.