Refrigerant Pressure Sensor / Switch: Locations
Fig. 16 High Pressure Cut Out Switch Location:
The high pressure cut out switch is located on the rear of the compressor.
Fig.17 High Pressure Cut Out Switch Location:
The A/C low pressure switch is a single pole, single throw, pressure actuated switch that is installed in a threaded port into the suction passage of the accumulator. The switch is located on the top of the accumulator in a fitting that contains a Schrader type valve, which allows the switch to be serviced without discharging the refrigerant system.
The low pressure cut off switch is located on the expansion valve.