7 Pin Haulmark Trailer Wiring Diagram. 12n type 7 pin wiring diagram. If your truck has a built in 7 pin socket but you only need 5 of the pins.
If your truck has a built in 7 pin socket but you only need 5 of the pins. Heres the diagram for 7 pin connector. Yellow pin for abandoned brake light and left handed markers.
If you look at a socket or plug you should be able to see the pin lables 1 7.
Heres the diagram for 7 pin connector. In the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest. As a professional rv transporter i have seen to many trucks wired with those 2 wires to small and cause a fire from overheating. Your dealer not ford is the seller of the parts on this website and all customer prices are.