If you are talking about A/C it is almost always on or near the dehydrator/dryer bottle (silver canister looking thingy. Y-THINK-Y
The ac pressure cycling switch is designed to engage or dissengage the clutch to keep the proper pressure in the system.
The Refrigerant Pressure Sensor / Switch will be located just to the left of the alternator pulley on the firewall....
A 1996 Chrysler Town and Country does not have a kill switch.
It is just above and to the side of the oil filter.
It is called an oil pressure sensor socket.
P1789-OD/2-4 HYDRAULIC PRESSURE SWITCH CIRCUIT
Pressure switch on a 2005 Chrysler 300 C can be changed by removing the wires from the switch. Remove the retaining nut. Reverse the process to install the new switch.
To unplug the oil pressure switch for a 1999 Chrysler Sebring 2.5, simply remove the connector from the back of the switch. With the switch unplugged, the computer will think the engine has low oil pressure.
Engages and disengages the compressor clutch as needed.
The 1997 Chevy Lumina 3.1 liter low pressure air conditioning cycling switch can be found on the air conditioning compressor. The switch will be on the top of the compressor.
The wiper switch on a 1998 Chrysler Town and Country gets power from and is an input to the body computer.
The power steering pressure switch, on a 1993 Chrysler New Yorker, is located below the power steering pump. The pressure switch is attached to the power steering reservoir mounting bracket.