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Junction Boxes

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7-Way Trailer Junction Box


Need to wire a new trailer or replace an old junction box with a new one? This 7 way junction box comes ready to wire, and includes all plastic, hardware, and sealing grommets you will need.

A 7 Way system provides additional circuits for trailers with electric brakes and auxiliary lighting such as interior lights or a backup/reverse function.

CAUTION: The diagrams are instructions on how to wire a vehicle for towing with these products. Some manufactures use a different wire setup than listed, so it is very important to double check your current wiring for compatibility with this product. We recommend that you use a test light/volt meter to check the wiring before using.

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7 Way Trailer Harness & Wired Junction Box

10110-048BX, 10110-072BX, 10110-096BX, & 10110-124BX

These pre-wired junction boxes feature a molded 7-way plug and easily connect to an existing trailer wiring system. Made of impact resistant PVC, these junction boxes are guaranteed to last harsh road conditions. Each kit includes all of the plastic hardware and sealing grommets needed. There are several different cable length options to choose from, making it easy to find the right one.

Limited one year warranty

  • WARNING: It is recommended to check with the manufacturer or dealership for vehicle specific information before starting. READ all instructions carefully before attempting to wire a vehicle using these products. Follow the instructions above. Improperly wiring to the trailer/vehicle may cause electrical malfunction or other damage, which could result in property damage, personal injury or even death. Conntek is not responsible for any damages caused by incorrect wiring.
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