Standard Trailer Plug Wiring Diagram. Trailer side car side wiring plug diagram. Australian trailer plug and socket wiring diagrams.
The red and blue wire can be used for brake control or auxiliary. 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. Tail license 3 tail license.
All diagrams are as viewed from the cable side.
12 pin flat this is an extension of the 7 pin flat. Tail running side marker lights. Australian trailer plug and socket wiring diagrams. The table and diagram below explains the connections used on a 7 pin setup.