2007-08. A safety Switch that monitors the Pressure of the refrigerant. A/C Clutch Cycle Switch. A/C Safety Switch. Auxiliary A/C. Cycling. From 08/25/1999. Part serviced with dehydrator. Air CONDIT. System - V. Air Conditioning (A/C) Clutch Cycle. Air Conditioning (A/C) Safety. Clutch CYCLING. HVAC. Vacuum. Included with: Accumulator, Accumulator assembly, Rear AC hose.