Use the 7 pin connector anyway see below and just leave out the last 2 wires. 5 wire trailer light wiring diagram wiring diagram is a simplified agreeable pictorial representation of an electrical circuit.

13 Best Trailer Wiring Diagram Images Trailer Wiring
Five wire trailer wiring diagram. Blue electric brakes or hydraulic reverse disable see blue wire notes below in the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest. 5 way trailer wiring diagram allows basic hookup of the trailer and allows using 3 main lighting functions and 1 extra function that depends on the vehicle. 5 wire trailer wiring diagram. Here is a picture gallery about 5 wire to 4 wire trailer wiring diagram complete with the description of the image please find the image you need. A wiring diagram is a streamlined traditional pictorial representation of an electrical circuit. 5 pin trailer wiring harness with regard to 5 wire to 4 wire trailer wiring diagram image size 646 x 878 px and to view image details please click the image.
It shows the components of the circuit as streamlined shapes and the power and signal connections between the devices. Assortment of 5 wire to 4 wire trailer wiring diagram. Right turn signal stop light green left turn signal stop light yellow taillight license side marker brown and a ground white. 4 way flat molded connectors allow basic hookup for three lighting functions. An extra pin allows using another extra function. Trailer wiring diagrams 4 way systems.
If your truck has a built in 7 pin socket but you only need 5 of the pins. It shows the components of the circuit as simplified shapes and the capability and signal friends amongst the devices.