C 1500 Truck 2WD V8-6.5L DSL Turbo VIN S (1997)
![background image](/gmc/c_1500_truck_2wd/v8-6.5l_dsl_turbo_vin_s/Page-172001.png)
Refrigerant Pressure Sensor / Switch: Description and Operation
Compressor Pressure Switch
PURPOSE
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.