The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C system on modern vehicles. In earlier vehicles, they are used to directly turn the compressor off to avoid compressor failure.
gpd Switch 1711283
74-89 ARIES, ASPEN, B100, B150, B200, B250, B300, B350, CB300, CARAVAN, CHARGER, CORDOBA, CORONET, D100, D150, D250, D350, DAKOTA, DAYTONA, DIPLOMAT, FURY, FURY I, GRAN FURY, GRAND CARAVAN, GRAND VOYAGER, HORIZON, IMPERIAL, LEBARON, MINI RA