18 AWG Color Coded Wires Wishbone Style Trailer Wiring Kit: SAE J1128 RATED. Wishbone design makes it quickly, safety and easy to connect to the trailer. The 4 wire trailer wire is color-coded to clearly identify each wire's function, easily splice into your trailer's wiring system. Durable & Corrosion Resistant: 4 Pin Trailer Connector adopts with high quality PVC material to achieve the best electrical conductivity and oxidation resistance. Work perfectly even with sea water. The 4 flat trailer wire is color coded and welded, which is easy to be spliced into the wiring system of the trailer without splicing wires. Easy to Install Boat Trailer Wiring Harness: White wire: Ground (Negative). Brown wire: Tail Lights. Yellow wire: Driver Side Stop/Turn Lights. Green wire: Passenger Side Stop/Turn Lights. 4-Way flat plug easily connect to your existing vehicle and trailer wiring. Please note, it CAN'T use for motorcycle trailer wiring. 25FT Male Trailer Wiring Harness Kit: Includes 1 x trailer wiring harness for reducing corrosion and avoiding waste time. The trailer wire kit is designed with a 4-way flat plug connector, which is used to supply power for tail lights, turn signals and brake lights, and grounding connection. It is easy to cross a wire from one tail light to another. Applications: This 25FT Trailer Wiring makes it possible to extend current truck to trailer wires. No need to splice your new wires, just extend them with this extender. Ideal for marine boat trailer, horse trailer, motorcycle trailer, ATV trailer, and other cargo utility trailer hitches which have 4-way plug. Features: 1. 18 AWG color coded wires wishbone style harness. 2. 25' Trailer Wiring Harness just need to extend current truck to trailer wires. No need to splice your new wires, simply extend them with this extender. 3. Complying with SAE J1128 standards for a low voltage primary cable. 4. This 25ft trailer wiring harness kit perfect fit for trailers under and over 80″ in width. 5. Suitable for marine boat trailer, horse trailer, ATV trailer, and other cargo utility trailer hitches (tow/haul vehicle must have 4-way plug). Not compatible with motorcycle trailer wiring. Installation: White wire: Ground (Negative). Brown wire: Tail Lights. Yellow wire: Driver Side Stop/Turn Lights. Green wire: Passenger Side Stop/Turn Lights. Package Includes: 1 X 25FT Male Trailer Wiring Harness