A 4 way plug connects your trailer and tow vehicle and provides the required running lights turn signals ground and brake lights. Lets see what types of connectors the trailer light wiring industry uses today.
Mictuning 7 Port Trailer Wiring Junction Box 7 Way Pole
4 way trailer plug wiring. 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. The first thing you need to do is make sure that your connector works properly. The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector. 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. The most common wire thickness for a trailer is 16 gauge but i bought thicker wiring for added durability. 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.
Most of us arent electricians but that doesnt mean wiring a trailer or replacing corroded wiring is beyond us. Make sure that all cables are electrically conductive. Suzco 25 foot 4 wire 4 flat trailer light wiring harness extension kit 4 way plug 4 pin male female extension connector wishbone style with 18 gauge white ground wire with sae j1128 45 out of 5 stars 278. Can trailer 4 way be ran to trailer with 8 wires for trailer wiring installing a trailer wiring harness on a 2012 ford focus installing a brake controller on a 2002 dodge ram 1500 equipped with a factory 4 way. By law trailer lighting must be connected into the tow vehicles wiring system to provide trailer running lights turn signals and brake lights. Check with a test light or vom.
Well walk you through the wiring process its easier than you think. If it is not no amount of wiring will get the lights to work. While the basic configuration is a 4 way flat connector that features one female and three male ends you may come across connectors with up to seven pins for additional functions that require wiring including electrically actuated brakes power source for a winch etc. One way to check for faulty wires is to use a circuit tester. 6 way systems round plug. Trailer electrical connectors come in a variety of shapes and sizes.
Installing your 4 pin trailer wiring system is easy if you follow the correct procedure. Custom wiring is the ideal solution for installing trailer light wiring on your vehicle. Buy a 4 pin wiring kit with wires at least twenty feet in length so its long enough for your trailer. The black sometimes red 12v and blue electric brakes wire may need to be reversed to suit the trailer.
Gallery of 4 Way Trailer Plug Wiring
