The Flex-A-Lite Illuminated 3 Way Switch allows you to override the automotive electric fan controller and adapt your fan to the demands of your ride. This car parts switch features three functions for complete cooling fan override from the cockpit, with two lights to indicate which mode is active. In Tow Mode, the illumination turns blue and fans are activated at 100 percent power regardless of coolant temperature for extra cooling when towing heavy loads or driving up steep hills. Water Crossing Mode turns the illumination red and turns the fan off, allowing you to drive through deep water without damaging the fan blades. In Neutral Mode, there is no illumination and the fan controller automatically determines when the electric fans are needed. This auto parts 3 way switch comes with a one-year manufacturer warranty, providing peace of mind for car enthusiasts who demand quality and reliability.