EZ-LOADER 24' four conductor break up harness & flat 4-pole trunk connector. Meant to split within the trailer tongue and operate down all sides from the body, the harness is wired which has a flat four-pole plug that includes a single ground terminal on the plug. This harness features trunk https://cat5wiringdiagram69104.techionblog.com/13327630/wiring-diagram-for-doorbell-things-to-know-before-you-buy