This harness takes all the guess work out of installation and is incredibly high quality suited for race use! Put your dimmer mode to use! This harness allows you to use the high beam or toggle switch to turn on the light bars. Features: Includes Toggle switch for On/Off and Momentary button for dimming Heavy duty wire gauge that can handle any size bar Complete with battery ring terminals, relay, sheathing, fuse 100" wire length between battery ring terminals and weather pack for bumper or roof mounting.