This harness allows you to utilize the built-in dimming feature found on XL Pro and XL80 LED Motorcycle Lights. This includes one bullet connector that goes directly to your XL Motorcycle Light and a ring terminal that goes to a frame/chassis ground. This switch will easily dim the light from 100% to 80% percent output (20% difference). Please keep in mind our lights are not DOT approved or street legal. It is up to rider discretion if being used on the street. The Baja Designs XL Pro/XL80 Mode Harness contains: Push Button Switch, Wiring Harness with Plug and Play connector.