Oyviny 4-Pin Trailer Wiring Harness 18″ 5-Wire Kit
$12.34 on Amazon.com (as of July 9, 2026, 5:50 AM EST) View details ↗
Upgrade your trailer’s lighting system with the Oyviny 4 Pin 5 Wire Trailer Wiring Harness, featuring an 18-inch length for easy installation and replacement of worn-out wiring. Designed with a standard 4-way flat plug, this harness is ideal for utility trailers, boat trailers, ATV/UTV trailers, and more.
Constructed with 16AWG pure copper wires, this kit ensures excellent conductivity and reliable performance in all weather conditions. The Y-split design separates wires for both-side taillights, eliminating the need for axle wiring and simplifying installation. The ergonomic anti-slip grip tabs and rubber dust cover provide durability and protection, while the color-coded wires and pre-stripped pigtail make rewiring straightforward.
