Required to install any plug-&-play Küryakyn rear lighting accessory. After this one time installation you can simply Plug-&-Play all future Küryakyn rear lighting accessories with ease & no need to modify any wiring. Provides Run, Turn, Brake & Ground wiring connection behind license plate center panel on '12-later GL1800 Models or connects new 6 pin style Küryakyn rear lighting accessories on Pre-'12 GL1800 Models.
