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.

Important Product Information:

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.

WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to

Additional information

Weight .75 lbs
Dimensions 3.15 × 8.15 × 3 in


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