7 Pin Tractor Wiring Diagram. I have included a link to it. Tractor 7 Pin Connector Wiring Diagram 1961 Chevy Dash Free Begeboy Source.
This 7 Pin Tractor Trailer Wiring Diagram version is more appropriate for sophisticated trailers and RVs. Tractor 7 Pin Connector Wiring Diagram 1961 Chevy Dash Free Begeboy Source. I put this here because I had a hard time finding and figuring this out for my trailers.
All diagrams are as viewed from the Cable Side.
This car is designed not only to travel 1 location to another but also to carry heavy loads. I have included a link to it. Its components are shown by the pictorial to be easily identifiable. I do have a handy trailer wiring FAQ article that would be perfect for you.