You can install the LED lights on any 2 dia. Each post top lights with 118 wire leads and all necessary mounting hardware LED Light Kits The LED post guide lights make it easy to see your trailer's position and makes backing down steep dark ramps a breeze, dramatically improve your trailer's visibility and safety over the road at night [Imroving Driving Visibility&Safety] Function as marker lights/tail light. Wireless Tail Lights For Trailer Boat Trailer Guide On Post Pipe Guide Boat Trailer Led Lights [Loading and Unloading more Easier] Using as a lighted guide to drive when putting the boat back on the trailer after dark. [Easy Installation] The boat trailer lights are screwed onto the top of your guide posts and wired on your trailer's taillights. IP67 waterproof rating, Don't worry about water getting into the light and causing a short circuit. Truck Lights Partsam 2Pcs 12" Red / Amber LED Combo Double Face Truck Semi Trailer 12V Waterproof Trailer Lights 118 wire is enough long for convient installation, Black wire is positive, white wire is ground
