Where is the ac compressor low pressure cut off switch located on a 2000 ford Taurus?

There isn't a single, easily accessible "low pressure cut-off switch" in the way some systems have a readily visible button or switch. The 2000 Ford Taurus's A/C system uses a pressure switch integrated into the low-pressure refrigerant line itself. This is not a switch you'd typically flip; it's a sensor that automatically cuts power to the compressor when the pressure drops too low.

Therefore, you won't find a separate switch labeled as such. The pressure switch is located within the A/C system's low-pressure refrigerant line, usually near the drier or accumulator. It's a small, cylindrical component, often with wiring connected to it. You'll likely need to trace the low-pressure refrigerant lines (usually thinner than the high-pressure lines) to locate it. Because of the refrigerant and potential for leaks, it's strongly recommended to have a qualified mechanic locate and diagnose any issues related to the A/C system.