Sierra 3500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
3. Connect the electrical connection at the mode actuator (10).
4. Install the Body Control Module.
5. Install the floor air outlet duct extension (1) to the floor air duct (2).
Recirculation Actuator
RECIRCULATION ACTUATOR REPLACEMENT
REMOVAL PROCEDURE
1. Remove the air distribution duct.
2. Disconnect the electrical connection from the recirculation actuator (1).