Hello Gentleman,
This switch should be hooked up to the external LED light that should be mounted in the area of steering wheel, so that you know that engine has a low oil pressure. I'm not sure if PT is using this feature. IT IS NOT A LOW OIL SENSOR AND IT WILL NOT TURN OFF YOUR ENGINE!
Regards,
Jack Gawecki
Robin America, Inc.
Technical Support Dept.
800-277-6246