Features: This 26ft 4 way trailer wiring harness features a Y shaped connector design and color coded wires for simplified installation, eliminating complex routing while connecting brake lights, turn signals, and tail lights across trailers up to 80 inches wide. Built with 18AWG copper cores, thickened PVC insulation, and reinforced braided nylon mesh exterior, the waterproof 4 pin trailer light set ensures good performances in harsh weather conditions. Ideal for boat owners, ATVs enthusiasts, and equestrian transporters needing electrical connection for marine trailers, horse trailers, or off road vehicle haulers. Effortlessly rewire your trailer's lighting systems during maintenance or upgrades, with ample 26ft length to route cables around axles and frame components without extensions. The 5 wire trailer extension cable's integrated dustproof caps and strain relief connectors maintain secure power transmission across bumpy terrains and wet environments. Specifications: Component:Braided Rope Length 7.92Meter/26Ft Interfaces: 4 Pin Voltages: 300Volt Wiring analysis: White: Grounding wire (negatived) Brown: Tail light Yellow: Driver's side brake light/turn signals Green: Passenger's side brake light/turn signals Extra (wire 5): Can be used for electric brake or auxiliary equipment Package Includes: 1Set Trailer Wiring Harness note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.