Wiring Harnesses

Connect compatible trailer electrical and lighting systems with this 144-inch Trailer Wiring Harness, featuring a 6-way M970 plug on one end and a 6-way M971 connector on the other. At 12 feet long, this preconfigured harness provides plenty of routing length for cargo trailers, enclosed trailers, utility trailers, equipment trailers, RVs, commercial trailers, and OEM trailer wiring applications.

Wire compatible two-axle trailers with this 16-foot Trailer Wiring Harness featuring a 6-way M970 plug. Designed to provide a preconfigured wiring solution for tandem-axle trailer electrical systems, the extended 16-foot length offers flexible routing for cargo trailers, enclosed trailers, utility trailers, equipment trailers, commercial trailers, and OEM trailer builds.

Wire compatible two-axle and tandem-axle trailers with this 20-foot Trailer Wiring Harness featuring a 6-way M970 plug. The extended harness provides plenty of routing length for larger trailer applications while offering a preconfigured electrical connection for cargo trailers, enclosed trailers, utility trailers, equipment trailers, commercial trailers, and OEM trailer builds.

Wire compatible two-axle and tandem-axle trailers with this 24-foot Trailer Wiring Harness featuring a 6-way M970 plug. With 288 inches of routing length, this extended harness is well suited for larger trailer electrical and lighting installations, including cargo trailers, enclosed trailers, utility trailers, equipment trailers, commercial trailers, and OEM trailer builds.

Wire compatible three-axle and triple-axle trailers with this 28-foot Trailer Wiring Harness featuring a 6-way M970 plug. With 336 inches of routing length, this extended harness is designed for larger trailer electrical and lighting installations. Ideal for equipment trailers, enclosed trailers, cargo trailers, commercial trailers, heavy-duty utility trailers, specialty trailers, and OEM trailer builds.

Wire compatible trailer electrical and lighting systems with this 32-foot Trailer Wiring Harness featuring a 6-way M970 plug. With 384 inches of routing length, this extended harness is designed for longer trailer applications requiring additional wiring reach. Ideal for equipment trailers, enclosed trailers, cargo trailers, utility trailers, commercial trailers, specialty trailers, and OEM trailer builds.

Wire larger trailer electrical and lighting systems with this 36-foot Trailer Wiring Harness featuring a 6-way M970 plug. With 432 inches of routing length, this extended harness provides the reach needed for longer trailer frames and custom electrical layouts. Ideal for equipment trailers, enclosed trailers, cargo trailers, utility trailers, commercial trailers, specialty trailers, and OEM trailer manufacturing.

Power two compatible vehicle lights or accessories from one heavy-duty harness with this 3-Meter Dual-Output Wiring Harness. Featuring dual DT-style output connectors, an integrated on/off switch, and up to 280 watts of capacity, this harness provides a clean wiring solution for compatible LED light bars, off-road lights, work lights, auxiliary lights, trucks, trailers, UTVs, RVs, and commercial vehicles.

Power and control compatible LED light bars, work lights, off-road lights, and auxiliary vehicle lighting with this 3-Meter Heavy-Duty Wiring Harness. Featuring a DT-style connector, integrated on/off switch, and up to 280 watts of capacity, this harness provides a clean wiring solution for trucks, UTVs, trailers, RVs, commercial vehicles, and off-road equipment.

Connect compatible vehicle lighting and electrical components with this 3-Position Wiring Harness featuring bare-wire and eyelet leads. Designed for straightforward electrical installation and replacement wiring, this harness provides a practical connection solution for compatible LED lights, marker lights, trailer lighting, RVs, trucks, commercial vehicles, and specialty equipment.

Wire larger and longer trailer electrical systems with this 40-foot Trailer Wiring Harness featuring a 6-way M970 plug. With 480 inches of routing length, this extended harness provides the reach needed for compatible equipment trailers, enclosed trailers, cargo trailers, utility trailers, commercial trailers, specialty trailers, and OEM trailer builds.

Organize and protect your trailer wiring connections with this Black 7-Pole Trailer Junction Box. Designed to provide a central connection point for compatible 7-way trailer wiring harnesses, the junction box helps keep individual electrical circuits separated and easier to service. Ideal for cargo trailers, enclosed trailers, utility trailers, equipment trailers, RVs, commercial trailers, and custom trailer wiring installations.

Upgrade or replace your trailer wiring with this complete 7-Pole Trailer Junction Box Kit featuring a 5-foot 7-way trailer cable. The junction box provides a centralized connection point for trailer electrical circuits, while the flexible 7-way cable is cold-weather rated to -30°F for dependable performance in demanding towing environments. Ideal for cargo trailers, enclosed trailers, utility trailers, equipment trailers, RVs, commercial trailers, and trailer wiring repairs.

Upgrade, repair, or build your trailer wiring system with this 7-Pole Trailer Junction Box Kit featuring an 8-foot 7-way trailer cable. The junction box provides a centralized connection point for compatible trailer electrical circuits, while the 96-inch cable provides extra routing length between the trailer plug and junction box. Ideal for cargo trailers, enclosed trailers, utility trailers, equipment trailers, RVs, commercial trailers, and OEM trailer wiring applications.

Power and control two compatible LED lights from one wiring harness with this Dual DT Connector Wiring Harness. Featuring dual DT-style outputs, an integrated on/off switch, and a maximum 250-watt capacity, this harness provides a clean solution for installing paired LED light bars, work lights, off-road lights, driving lights, and auxiliary lighting on trucks, UTVs, trailers, RVs, and commercial vehicles.