Prepare your semi truck to be Ready for the Road Ahead , with the Truck-Lite 8-Terminal Surface Mount Junction Box Kit that acts as a central hub for electric connections. To neatly organize connections such as wires, lights, sensors, and more, this compact replacement device acts as a central location that can be adjusted as needed. Fashioned with an easy-to-install box that seamlessly fits into existing spaces. FleetPride is your First Click in Heavy Duty .