Air conditioning compressor cut-off switch for 1971-78 Plymouth Barracuda - 'cuda - Duster - Fury - RoadRunner - Scamp - Valiant; 1971-78 Dodge Challenger - Charger - Coronet - Dart - Demon - Monaco - Polara - Sport - Trucks, 1971-78 Chrysler and 1971-78 Imperial

This switch screws into the top of the receiver/drier and de-clutches the compressor if the system is low on refrigerant