Multi-Tow Trailer Connector Adapter - 4-Way to 7-Way RV and 4-Way Flat This special dual-output electrical adapter is actually designed to adapt a 4-way flat vehicle plug to fit multiple trailer plugs, including a 4-way flat and a 7-way RV blade connector (some manual wiring is required). This multi-function connector also comes with dust covers, a mounting bracket and all necessary mounting hardware for a complete installation.
SPECIFICATIONS: * Distance between bracket mounting holes center to center: 2-1/4" *
Harness length: 10" * Yellow wire is for reverse lights * Blue wire is for brakes * Black wire is for 12 volt power * White wire is ground