Century V6-204 3.3L VIN N FI (1990)
Refrigerant Pressure Sensor / Switch: Description and Operation
High Pressure Cutout Switch
Typical A/C High Pressure Switch
DESCRIPTION:
The High Pressure A/C switch opens when head pressure inside the compressor gets to high. This disables the A/C compressor clutch before damage
can occur to the system. This switch opens when the pressure is greater than about 440 psi.