Peterson Under 80" Wide Trailer Light Kit 20' Harness. The kit provides all legal lighting and reflectors for trailers under 80" wide. The 540 kit includes one of each of Peterson's 440/440L tail lights and two 114A side marker lights. Kit also includes a 20' trailer harness license bracket mounting hardware and installation instructions. Features of Peterson V540 Under 80" Wide Trailer Light Kit 20' Harness Complete light kit for small trailers Provides all legal lighting and reflectors for trailers under 80" wide Includes one of each of Peterson's 440/440L tail lights Includes two 114A side marker lights Includes a 20' trailer harness license bracket mounting hardware and installation instructions Package Contents: Peterson V540 Under 80" Wide Trailer Light Kit 20' Harness Peterson V540: Under 80" Wide Trailer Light Kit 20' Harness