The 7 pin flat plug will fit into a 12 pin flat socket and work perfectly. By law trailer lighting must be connected into the tow vehicles wiring system to provide trailer running lights turn signals and brake lights.
Diagram Based Wabash 7 Way Trailer Wiring Color Diagram
Standard 7 pin trailer plug wiring diagram. Rv trailer plug install. Easy way to remember wiring of a 7 way rv plug rv standard my rv works inc. However i have 3 trailers 2 work fine 1 dont. Trailer electrical connectors come in a variety of shapes and sizes. Pins 2 and 5 are not used on our standard range of trailers. I have no power to any light pins on 7 wire plug wtester.
All diagrams are as viewed from the cable side see example above. This is an extension of the 7 pin flat. Small 7 pin round qld identifying. Job presenting the different specs between the 6 pin and the different 7 way. I have a 2020 3500 chev pk up with factory brake control wiring. Plug size is similar to an australian 10c coin.
The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector. 7 way plug wiring diagram standard wiring post purpose wire color tm park light green battery feed black rt right turnbrake light brown lt left turnbrake light red s trailer electric brakes blue gd ground white a accessory yellow this is the most common standard wiring scheme for rv plugs and the one used by major auto manufacturers today. The diagram is the new zealand standard for the 7 pin flat trailer plug used on prescott trailers.
Gallery of Standard 7 Pin Trailer Plug Wiring Diagram
