GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 GMC C Sierra - 2WD 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Auxiliary Blower Motor Processor Replacement

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 processor (1).
  3. Remove the retaining screws from the blower motor processor (1).

    4. Object Number: 621723 Size: SH
  4. Remove the blower motor processor (1) from the HVAC module (2).

Installation Procedure

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