Wiring Harnesses

Connect your trailer's electrical system with this 108-inch trailer wiring harness featuring a 7-way nose-end plug and 6-way M971 plug. Designed for compatible trailer wiring applications, this harness provides a convenient connection between the specified plug configurations. Its 9-foot length offers flexibility for trailer electrical installations, maintenance, and replacement projects.

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.

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.

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.