25Ft 4 Pin Trailer Wiring Harness Kit Waterproof 4-Way Flat Wire Extension Plug For Sale - New and Used

• STANDARD PLUG-AND-PLAY: Built for industry-standard 4-way flat sockets, this 4 pin 5 wire trailer wiring harness lets you replace your trailer wiring instantly—just plug it in. Works for boat trailers, utility trailers, and more• PRACTICAL Y-DESIGN: The trailer light wiring harness kit uses a Y-split to route dedicated wires straight to both taillights. No more running wires across the axle—just a clean, simple setup that saves real time.• EFFORTLESS INSTALLATION: Pre-stripped, color-coded wires and a clear included guide turn a frustrating job into a quick, no-stress task—even if you’ve never wired a trailer before• ALL-WEATHER DURABILITY: Thick 18 AWG pure copper wires deliver strong, reliable conductivity. The heavy-duty PVC jacket and black nylon mesh sleeve resist abrasion, corrosion, and harsh weather, while a rubber dust cover keeps the plug dry and clean in storage• GENEROUS 25 FT REACH: You get a full 25 feet of 4 pin 5 wire trailer wiring harness plus a 2.5-foot ground wire—easily covering trailers up to 80 inches wide and beyond.

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