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