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, Serrated Ground Terminal Provide Proper Grounding, Includes Molded In Dust Cover & Grease Packet With Corrosion Resistant Tin Plated Terminals, Function Printing On Color Coded Wires.