4 Flat Trailer Plug Wiring Diagram. 4 way tow vehicle side. Here is the diagram for 7 pin connector.
White pin to your ground. 12 pin flat this is an extension of the 7 pin flat. It may transfer electricity better hence the connector is suggested for higher level electric in the auto.
Here is the diagram for 7 pin connector.
Brown pin for side markers tail lamps and running lights. Brown pin for side markers tail lamps and running lights. 4 flat trailer wiring diagram wiring diagram is the graphical depiction of a complicated electric circuit. Just after a very long time these connectors could become corroded and will bring about the wiring complications or might also grow to be ruined and therefore will require a alternative.