GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 TrailBlazer - 2WD 🢒 HVAC 🢒 HVAC - Manual 🢒 Blower Motor Resistor Assembly Replacement

Removal Procedure
  1. Remove the right closeout/insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Right Side .

    2. Object Number: 759902 Size: SH
  2. Disconnect the blower motor resistor electrical connector (3).
  3. Remove the blower motor resistor mounting screws (2).
  4. Remove the blower motor resistor (1).

Installation Procedure

    Object Number: 759902 Size: SH
  1. Install the blower motor resistor (1).

    2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Install the blower motor resistor mounting screws (2).

    3. Tighten
    Tighten the screws to 1.9 N·m (17 lb in).

  3. Connect the blower motor resistor electrical connector (3).
  4. Install the right closeout/insulator panel. Refer to Instrument Panel Insulator Panel Replacement - Right Side .