Oyviny 4 Pin Trailer Wiring Harness 22FT with Copper Plug
Y-Harness Connector: 4 pin trailer wiring harness adapter features wishbone design, widely fits for rewiring trailer that allows 2 brown wires running left and right taillights simultaneously; No need for splicing other wires Color coded wires: 4 way 5 wire trailer side flat connector equips with color code wiring for a simple installation, you can easily splice into existing trailer wiring to connect the brake lights, turn signals and left and right side taillights
Where to buy
Current$23.99
90 days low$23.99
90 days high$23.99
Average$23.99
Current price is near its 90 days low — this is a good time to buy.
Key features
- Y-Harness Connector: 4 pin trailer wiring harness adapter features wishbone design, widely fits for rewiring trailer that allows 2 brown wires running left and right taillights simultaneously; No need for splicing other wires
- Color coded wires: 4 way 5 wire trailer side flat connector equips with color code wiring for a simple installation, you can easily splice into existing trailer wiring to connect the brake lights, turn signals and left and right side taillights
- Durable Construction: 4 pin flat 5 wire harness kit use thickened PVC wire coating materials for anti-corrosion, pure copper wires for good conductivity, and is well protected by a black nylon net tube, ensure long service life
- Enough length: 22 feet male 4 flat wire and 2.5 feet Ground wiring is long enough to wire a trailer from the start, provides plenty of extra length for a flexible installation
- Wide Application: 4 pin 5 wire trailer connector replacement is designed to match industry-standard 4-way flat sockets, provides a male plug for your trailer and can be used to replace a worn out, broken wire on a wide variety of trailers
About this product
The Oyviny 4 Pin 5 Wire Trailer Wiring Harness is an essential upgrade for RV owners seeking a reliable and efficient way to rewire their trailers. With its innovative Y-harness connector design, it allows two brown wires to run simultaneously to left and right taillights, eliminating the need for complicated splicing. This makes it ideal for fifth-wheel owners who require seamless connectivity for their brake lights and turn signals during long trips. The color-coded wiring simplifies installation, ensuring that even those less experienced with trailer wiring can complete the setup with ease. Constructed with durable PVC wire coating and pure copper for optimal conductivity, this harness is built to withstand the rigors of the road. At 22 feet long, it provides ample length for flexible installation, accommodating various trailer configurations. Whether you're replacing a worn-out connector or upgrading for better performance, the Oyviny trailer wiring harness is a smart investment for any RV enthusiast.
Frequently asked questions

Leave the Noise Behind.
Reconnect Outdoors.
Our mission is to help people make well-informed RV buying decisions, so they can leave the noise and screens behind, reconnect with family, and create unforgettable memories in the great outdoors.
Free tools. No sales pressure. Just better decisions.