Actuator. Right.w/dual control. An Actuator used to control the HVAC air inlet Door. An Actuator used to control the HVAC defrost mode Door. An Actuator used to control the HVAC floor mode Door. Switches modes for the blend Doors. Traction Control Switch. Air Inlet. Blend. Defrost Mode. Floor Mode. Mix. Temperature Valve. Controller. Temperature motor. Traction Control Switch.