The 7-Pole Black Trailer Junction Box – Wire Harness Connection Box is a professional-grade electrical distribution box designed to create clean, secure, and organized wiring connections for 7-way trailer electrical systems. Ideal for new trailer builds, wiring repairs, and electrical upgrades, this junction box helps eliminate exposed splices while simplifying installation and future maintenance.
Constructed from a durable black impact-resistant housing, the junction box protects internal wiring connections from moisture, dirt, road debris, and vibration. The organized 7-pole terminal layout provides clearly identified connection points for trailer lighting, electric brakes, auxiliary power, reverse lights, ground, and other essential trailer circuits.
The removable cover allows quick access for inspections, maintenance, and wiring modifications while keeping terminals protected during normal operation. Corrosion-resistant hardware and terminals ensure dependable electrical conductivity and long-term performance in demanding towing environments.
Designed for OEM manufacturers, trailer builders, fleet maintenance departments, repair facilities, and aftermarket installations, this junction box is compatible with most standard 7-way trailer wiring systems.
Ideal for utility trailers, cargo trailers, enclosed trailers, dump trailers, equipment trailers, horse trailers, RV trailers, boat trailers, agricultural trailers, construction trailers, and commercial fleet trailers.
Features
- 7-pole trailer junction box
- Durable black housing
- Organized terminal layout
- Designed for 7-way trailer wiring systems
- Clearly identified terminal connections
- Weather-resistant construction
- Impact-resistant housing
- Corrosion-resistant terminals and hardware
- Protects wiring connections
- Simplifies trailer wiring
- Easy access removable cover
- Reliable electrical conductivity
- Moisture resistant
- Dust resistant
- UV resistant
- Vibration resistant
- Easy installation
- OEM replacement and aftermarket compatible
- Ideal for trailer lighting, electric brakes, auxiliary power, reverse lights, and trailer electrical systems
Applications
- Utility trailers
- Cargo trailers
- Enclosed trailers
- Equipment trailers
- Dump trailers
- Horse trailers
- Boat trailers
- RV trailers
- Agricultural trailers
- Construction trailers
- Commercial fleet trailers
- Trailer manufacturers
- Fleet maintenance
- Trailer repairs and electrical upgrades
