Evan-Fischer Heater Blend Door Actuator --. Notes: Main, Auxiliary, Temperature, Mode Actuator. 2003 Escalade ESV Base Auxiliary, Auxiliary Air Conditioning, Mode, Temperature, RPO Code C36, Auxiliary Heater, Temperature, Auxiliary Air Conditioning, Temperature, Manual, RPO Code C36, Auxiliary Heater, Mode, Auxiliary Air Conditioning, RPO Code C69, Mode.
