Standard electrical connector wiring diagram. Use the 7 pin connector anyway see below and just leave out the last 2 wires.

Wiring Diagrams
Trailer connector wiring diagrams. When wiring a trailer connector it is best to wire by function as wire colors can vary. Standard wiring pictured below viewed from the rear of connector where wires attach. Check out or trailer wiring diagrams for a quick reference on trailer wiring. If you are looking at the inside of the trailer connector where the wires mount to the terminals starting at the top and rotating clockwise. Not all trailersvehicles are wired to this standard. Above we have describes the main types of trailer wiring diagrams.
A custom wiring harness or t connector is a vehicle specific harness that plugs in without any spicing required and provides a standard connector output such as a 4 way flat. Trailer wiring diagrams 4 way systems. To connect the electric system of your trailer to the vehicle you will be using special connector. You can use a circuit tester to verify connections. Wiring diagram for hopkins trailer plug inspirational hopkins 7 pin. Trailer wiring diagrams trailer wiring connectors.
Custom wiring is the ideal solution for installing trailer light wiring on your vehicle. 4 5 way flat connector wiring diagrams. Various connectors are available from four to seven pins that allow for the transfer of power for the lighting as well as auxiliary functions such as an electric trailer brake controller backup lights or a 12v power supply for a winch or interior trailer lights. We have an excellent wiring diagram on our website i will provide you a link so you can look at it. In the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest. 4 pin trailer wiring diagram.
The below information is for reference and is commonly used throughout the industry but can vary depending on who built the trailer. 4 way flat molded connectors allow basic hookup for three lighting functions. 7 way trailer plug wiring diagram gmc wiring diagram collection. The use of an electrical circuit tester is recommended to ensure proper match of vehicles wiring to the trailers wiring. Below is the generic schematic of how the wiring goes. If your truck has a built in 7 pin socket but you only need 5 of the pins.
7 way plug wiring diagram standard wiring post purpose wire color tm park light green battery feed black rt right turnbrake light brown lt left turnbrake light red s trailer electric brakes blue gd ground white a accessory yellow this is the most common standard wiring scheme for rv plugs and the one used by major auto manufacturers today. Right turn signal stop light green left turn signal stop light yellow taillight license side marker brown and a ground white. Wiring diagram for chevy trailer plug new dodge caravan wiring. Ford 7 pin trailer wiring diagram collections of 7 wire trailer wiring diagram best ford f350 westmagazine 0 wiring.