The Fuller- Transmission Transmission Reverse Light Switch is designed to restore the transmission's functionality and help improve vehicle uptime and productivity. This switch is made from high-quality materials and using advanced manufacturing techniques for extended component life. It activates the reverse light, notifying pedestrians and drivers that the vehicle is going in reverse. This switch meets or exceeds all applicable industry standards for product quality and safety. Installation is easy and requires no special tools or modifications for a hassle-free installation. FleetPride is your First Click in Heavy Duty®.