Hopkins 48240 Endurance 20' 4-Flat Trailer Y-Harness Connector Wiring kit for re-wiring or new installs on lightweight trailers Ease in connecting/disconnecting Protective nylon wire sleeving, heat-shrink tubing, and serrated ground terminal provide proper grounding Includes molded-in dust cover and grease packet with corrosion resistant tin-plated terminals Function printing on color-coded wires