Custom Wiring Harness, 4-Way Flat Output, Select Lincoln Aviator #56453 Price $105.95 USD 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 durability Dust cover included to keep connector clean when not in use Backed by a limited one-year warranty Vehicle battery connection required Includes fuse holder, battery connection wiring and other necessary wiring components Notes: Vehicle battery connection required Includes fuse holder, battery connection wiring and other necessary wiring components