Assuming you would like tips on how to bypass a pressure switch on an AC compressor:
One way to bypass the pressure switch on your AC compressor is to use a multimeter to check if there is continuity between the two terminals of the switch. If there is continuity, then the switch is most likely defective and needs to be replaced. Another way to bypass the pressure switch is to jumper the two terminals of the switch with a wire or paperclip. This will bypass the pressure switch and allow your AC compressor to turn on. However, this is only a temporary fix and you should replace the pressure switch as soon as possible.