GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Terrain 🢒 HVAC 🢒 HVAC - Automatic 🢒 Blower Motor Control Module Replacement

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1786031 Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the instrument panel storage compartment. Refer to Instrument Panel Storage Compartment Replacement .
  3. Disconnect the electrical connector at the resistor.
  4. Remove the screws from the resistor.
  5. Remove the resistor from the A/C module by gently pulling the resistor downward.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1786031 Size: SH
  1. Install the new resistor into the heater/air distributor case assembly with the screws.

    2. Tighten
    Tighten the blower motor resistor screws to 6 N·m (53 lb in).

  2. Connect the electrical connector at the resistor.
  3. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  4. Confirm the proper performance of the blower.
  5. Install the instrument panel storage compartment. Refer to Instrument Panel Storage Compartment Replacement .