The most common wire thickness for a trailer is 16 gauge but i bought thicker wiring for added durability. Traditional trailer with brakes use a 5 pin connector.
Wiring Diagram For A 4 Prong Trailer Plug Trailer Plug
Wiring diagram for 4 prong trailer plug. If functions are correct at the 4 way plug proceed to testing on the trailer. Do not plug a trailer into the 4 way plug until function has been verified with a circuit tester. Check with a test light or vom. 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. Trailer wiring diagrams trailer wiring connectors. 4 prong trailer wiring diagram 4 pin trailer wiring diagram flat 4 pin trailer wiring diagram round 4 pin trailer wiring diagram with brakes folks comprehend that trailer is a car comprised of very complicated mechanisms.
This vehicle is designed not only to travel one place to another but also to carry heavy loads. The black sometimes red 12v and blue electric brakes wire may need to be reversed to suit the trailer. Buy a 4 pin wiring kit with wires at least twenty feet in length so its long enough for your trailer. 4 pin trailer wiring diagram. Replacement 4 pole trailer connector for utility trailer with 5 wire wishbone wiring setup. 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.
Installing a trailer wiring harness on a 2012 ford focus. Use this 4 pin trailer wiring diagram to properly wire your 4 wire trailer plug. Connecting the wrong color wires will result in mismatched taillight functions and confusion on the road. 6 way systems round plug. Above we have describes the main types of trailer wiring diagrams. This report will be discussing 4 prong trailer wiring diagram.
Depending on the size of your trailer and the number of lights you might want to check on the internet for the recommended gauge for your specific trailer. Behind the converter box. Note that this type of 4 pin connector is less common that 4 pin flat connector. If any function does not have a correct power reading at the 4 way plug test the wiring going into the converter box from the vehicle side. Installing a brake controller on a 2002 dodge ram 1500 equipped with a factory 4 way. Can trailer 4 way be ran to trailer with 8 wires for trailer wiring.
Below is the generic schematic of how the wiring goes. Following the standard method for wiring a trailer connector is vital to the safety of your vehicle while towing. 1 4 wire the first 4 pins white brown yellow green just like the 4 pin connector above. Round 1 14 diameter metal connector allows 1 or 2 additional wiring and lighting functions such as back up lights auxiliary 12v power or electric brakes. This type of connector is normally found on utvs atvs and trailers that do not have their own braking system.