The Truck-Lite Polycarbonate Hardwired Turn Signal Switch is the perfect solution for your truck's turn signal needs. This signal arm features a built-in push button high/low beam selector switch, allowing you to switch between high and low beam settings easily. It also has a 16-bulb capacity for hazard warning, with 8 bulbs per side for turn signal flashing. The 8-wire harness with relay and flasher is included, making installation a breeze. This turn signal switch is made from durable polycarbonate material. FleetPride is your First Click in Heavy Duty®.