GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 2005 🢒 Ascender - 4WD 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Auxiliary Blower Motor Resistor Replacement

Removal Procedure
  1. Remove the rear HVAC module assembly. Refer to Auxiliary HVAC Module Replacement .

    2. Object Number: 814581 Size: SH
  2. Disconnect the electrical connector from the blower motor control processor-auxiliary (3).
  3. Remove the screws from the blower motor control processor-auxiliary (3).
  4. Remove the blower motor control processor-auxiliary (3).
  5. Remove the thermal gasket from the evaporator core-auxiliary surface.

Installation Procedure
  1. Install the thermal gasket to the blower motor control processor-auxiliary.

    2. Object Number: 814581 Size: SH
  2. Install the blower motor control processor-auxiliary (3).

    3. 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.

  3. Install the screws to the blower motor control processor-auxiliary (3).

    4. Tighten
    Tighten the screws to 2 N·m (18 lb in).

  4. Connect the electrical connector to the blower motor control processor-auxiliary (3).
  5. Install the HVAC module-auxiliary. Refer to Auxiliary HVAC Module Replacement .