C 1500 Truck 2WD V8-6.5L DSL Turbo VIN F (1998)
Refrigerant Pressure Sensor / Switch: Description and Operation
Compressor Pressure Switch
Compressor Pressure Switch
This system is equipped with a compressor pressure switch that is normally open. It activates at 2069-2482 kPa (300-360 psi) and releases at 1724 kPa
(250 psi).
Its function is to drive the recirculation door to the closed position to
reduce the system load and decrease system high-side pressure.