4 Flat Trailer Wiring Diagram. Small utility trailers light boat trailers little campers off road trailers and many more use this traditional 4 pin flat connector. It ought not be carrying significant loads through the trip.
Here is the diagram for 7 pin connector. Best 7 pin trailer wiring diagram best 7 pin trailer plug. Injunction of two wires is usually indicated by black dot at the junction of two lines.
I hope it helps you.
But it does not mean connection between the cables. It stands for the physical components of the electrical circuit as geometrical shapes with the actual power and also connection connections between them as thin sides. On the other hand this diagram is a simplified variant of the arrangement. This type of connector is ideal for customer trailers.