Control Assembly: Description and Operation

The operation of the air conditioning system is controlled by the A/C switch. The A/C switch is mounted on the heater control unit. In all modes, the

A/C switch must be on to engage the compressor. When the A/C switch is pressed, it signals the A/C amplifier that the air conditioning system has been turned on.

Air conditioning output temperature is controlled by the position of the temperature control lever on the heater control unit cable connects this lever to the air flow door located in the heater case. It controls air flow through the heater core, as the temperature control lever is rotated through its full movement.