LED bulb and socket kits are brighter and smaller than traditional bulb and socket kits, allowing for ease of installation in compact taillight housings. These lights do not tap into the vehicle's existing wiring and are operated by the towing vehicle. 2 - Bulb & Socket Assembly, LED1 - Wire Harness, 26 FT6 - Butt Connectors2 - Ring Term, Insulated1 - Wire, 16 Gauge, Brown, 8 FT1 - Wire, 16 Gauge, Green, 8 FT2 - Self Drilling Screws2 - Self Drilling Screws