Partsam 17" Smoke/Red 12LED Truck Trailer Stop Tail Turn Brake ID Light Bar Chrome Bezel Functions as clearance, side marker or identification light Brake, Stop, Turn, and Tail light. Completely sealed and waterproof. Polycarbonate lens is sonic welded to the housing. Wire Connecton Tips:White Wire is the Ground; Red Wire is the high brightness; Gray Wire is the low brightness. Easy to install, no any modification required, just plug and play.