CURT 56049 - WIRE HARNESS ELANTRA/SONATA/OPTIMACURT 4 FLAT CUSTOM WIRING ; 06 08 ELANTRA HATCHBACK 06 10 ELANTRA SEDAN 06 14 SONATA (EXC HYBRID) 2009 OPTIMA Plugs into vehicle tail light assembly to provide a 4 way flat socket Simple plug and play design eliminates the need for cutting or splicing 4 way flat output connects tail lights, brake lights and turn signals Equipped with tail light converter for vehicle trailer compatibility Constructed with SMT circuitry for better performance and