You know that sinking feeling when you hit the brakes on a county road and wonder if the truck behind you can see your lights working. This hydraulic brake light switch takes the guesswork out of staying safe and legal when you're traveling between fields or heading to town with your implement trailer. What You're Getting Hydraulic-activated switch that triggers your brake lights the instant you touch the pedal Standard 1/8"-27 NPTF thread fits your brake system port without any adapters Weather-sealed design keeps moisture and road grime from causing electrical problems Reliable switching action that won't fail when you need it most Direct replacement that installs just like the original factory switch Built for Real Farm Work Whether you're moving your Fiat M series utility tractor between hay fields or taking your New Holland down the highway to help a neighbor, brake lights aren't just nice to have - they're required by law. These switches work with the hydraulic brake systems on your tractor, so every time you apply brake pressure, your lights tell the world you're slowing down. Made to Last Farm tractors spend their lives bouncing through fields and down gravel roads, and this switch is built to handle all that vibration and temperature swing without missing a beat. The sealed construction keeps corrosion at bay, while the precision-built switching mechanism provides years of dependable operation. Good to Know The 1/8"-27 NPTF thread is a standard size that screws right into your brake system's test port or existing switch location. Use a little thread sealant but don't over-tighten it. Test your installation by having someone watch your brake lights while you press the pedal - you'll know right away if everything's working properly. Most folks can swap this switch in about fifteen minutes with basic hand tools.