TrailBlazer 2WD L6-4.2L VIN S (2003)
Control Assembly: Service and Repair
HVAC System - Automatic
Auxiliary
HVAC CONTROL MODULE REPLACEMENT - AUXILIARY
REMOVAL PROCEDURE
1. Using a flat bladed tool, carefully pry out on the top of the HVAC control-auxiliary.
2. Remove the HVAC control-auxiliary from the center console/seat.
3. Disconnect the electrical connector.
4. Remove the HVAC control-auxiliary.
INSTALLATION PROCEDURE