GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Warning: Refer to Battery Disconnect Warning 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

    Caution: Refer to Fastener Caution in the Preface section.


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