Product Details: Update your semi truck with advanced PTO safety measures, with the Muncie Power Take-Off Pressure Switch that ensures you're Ready for the Road Ahead™. Due to its ability to monitor the pressure levels of the PTO system, this replacement switch is able to engage / disengage the component to maintain safety. Engineered with a streamlined design for a fast and easy installation. FleetPride is your First Click in Heavy Duty®.