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Refrigerant Pressure Sensor / Switch: Testing and Inspection
Terminal Identification - Triple Pressure Switch:
1.
Disconnect the connector and check for continuity between pressure switch side connector terminals (1) and (2).
2.
Reconnect the connector to activate the A/C switch, and check to see if there is continuity between the chassis side connector terminals and the fan operates.
A/C OFF A/C ON
