Y-Harness Design: This 4-pin 5-wire trailer wire harness features a wishbone design, allowing 2 brown wires to be connected to left and right taillights at the same time without splicing additional wires. Perfect for rewiring trailers with hassle-free installation
Color-Coded Wire: Our trailer wiring harness is with color-coded wire. Make the setup process to connect brake lights, turn signals, and dual side taillights more simple and easier
Durable Material: Our 5 wire 4 pin trailer connector uses 18 AWG pure copper core for good conductivity, covered with thick PVC wire insulation. The black nylon mesh tubing as a extra protection shields against corrosion and abrasion. Not only makes installation simple and clean but also extends the service life of trailer wiring harness
Enough Length: 25-foot wire and 2.5-foot ground wire is suitable for trailers under or over 80 inches wide, which provides enough extra length for flexible installation
Widely Compatible: The 4 pin flat trailer light wiring harness fits standard 4-way flat sockets and is suitable for boat trailers, horse trailers, ATV trailers, and other trailers with 4-way plugs. With a dustproof cover which can help to protect end when not using