Taillight assemblies include taillight, adapter bracket, hardware and instructions for mounting on most 99-16 FLT/FLHT, FXD, XL and 00-16 FLST fenders (except FLSTS, FLSTN, FLSTSB, 10-16 XL883N/1200N/1200X/1200V) Taillights will also bolt directly to the fender on most 84-98 models (adapter bracket included) Adapter bracket can also be used to mount most other 84-98 OEM-style taillights to 99-16 FLT/FLHT, FXD, XL and 00-16 FLSTC fenders (also sold separately) Not DOT compliant. Installation on 99-16 models will require modification of the OEM wiring.. LAYDN T-LIGHT F/73-23 HD