It's not a switch. The high pressure runs from the compressor outlet to the orifice tube inlet, and the low pressure side runs from the orifice tube outlet to the compressor inlet.
The low pressure switch is mounted near the ac compressor. It is a two wire switch mounted in the low side line.
If you are speaking of the AC low pressure switch, It is behind the passenger side head light on top of dryer!
a low pressure switch
The AC low pressure switch of a Honda Civic is located on the driver's side of the radiator. It is screwed into the accumulator bottle.
There is an Aluminum tank on the passenger side of the engine compartment. The low pressure switch is usually mounted to and tucked behind it.
TThe low pressure AC switch is a 3-way pressure switch in the low-side refrigerant line. It is open when the pressure is approximately below 27 psi and above 350 psi and closed when the pressures are in between.
On the accumulator, which is on the low side line at the firewall on the passenger side just below the battery. The low pressure switch is a two wire connector which faces the front of the vehicle.
The low pressure is located on top of the accumulator. It is on the passenger side of the engine bay.
The low oil cut off switch should be on the side of the oil pan. It is built into the oil pressure switch.
On a Chevy Cavalier, the low pressure switch is located under the hood on the passenger side, next to the radiator. It is situated near the top corner of the radiator.
Typically on the compressor itself although it could also be on the low pressure side from the evaporator line. Look for a "tee" on the low pressure supply line with a wired fitting and that will be it. where is the low side on ford windstar 2002 air conditioner
if your tolking about the a/c low pressure switch it is under the hood on the pass- side back kind a close to the fire wall it screws onto the side of the a/c dryer which is black the switch has 2 wires that plug into it unplug and unscrew the switch