Trailer Light Junction Box

In this video we explain 7way trailer junction box Also see out blog post on this at. We use common parts purchased from Amazon and a Milwaukee PACKOUT box and show you how to build a self-contained.

Nilight Heavy Duty 7 Way Inline Trailer Plug with 7 Gang Junction Box 8 Feet Trailer Connector Amazon Product Link. This is a basic wiring diagram for a seven pin trailer configuration.

Items used- Wire loom. Trailer Wiring Junction Box Installation This is a must when buying an old trailer takes no time and will save you lots of headaches.