4 Pin 5 Wire Trailer Wiring Harness 50 Feet Y Harness Adapter For Rewiring Both Side Taillights Pure Copper Wire With Nylon Net Tube Protection Trailer Light Kit 4 Way Flat 5 Wire Plug
✔️ Single pack, 50 ft length, 4-way flat, color-coded wiring set
This trailer light kit uses pure copper conductors with a thick PVC coating and is protected by a black nylon net tube. It’s designed to match standard 4-way flat sockets, making it easy to rewire taillights, brake lights, and turn signals on a wide range of trailers.
✅ 50 ft length with 2.75 ft ground wire for flexible routing
✅ Pure copper conductors with thick PVC coating for durability
✅ Color coded wiring includes red, black, green, blue, yellow, brown, gray, white
✅ Nylon net tube protection resists abrasion and moisture
✅ Y-Harness wishbone design lets left and right taillights run simultaneously without splicing
✅ Matches industry-standard 4-way flat sockets for quick replacement
💡 What is a 4 pin trailer wiring harness used for in trailer lighting systems?
It's a handy way to wire trailer lights using a common 4-way flat system.
- 4 pin 5 wire harness provides separate circuit paths for brake lights, turn signals, and taillights
- handy replacement when original wiring is damaged or worn
- commonly used to rewire trailers with minimal splicing and straightforward connections