Use the outlined testing methods to determine whether the issue is on the trailer or the vehicle side so you can more easily pinpoint trouble areas. Large 5th wheel trailers.
Trailer Tow Package Does Contain 4 Wires For Aftermarket
4 pin trailer wiring diagram with brakes. The most common wire thickness for a trailer is 16 gauge but i bought thicker wiring for added durability. As the name implies they use four wires to carry out the vital lighting functions. They also provide a wire for a ground connection. 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. 7 way trailer wiring diagram is explained in details in the picture and the table below. 4 way trailer connectors are typically used on small trailers such as boat snowmobile utility and other trailers that that do not use brakes.
Installing your 4 pin trailer wiring system is easy if you follow the correct procedure. Trailer wiring diagrams trailer wiring connectors 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. It can be frustrating when your wiring isnt working especially when you are not sure where to begin troubleshooting. If your vehicle is not equipped with a working trailer wiring harness there are a number of different solutions to provide the perfect fit for your specific vehicle. 4 way trailer connectors are. The wires are colored differently using white for ground green for right turns and brakes yellow for left turns and brakes and brown for the tail lights.
Why does 4 pin trailer wiring have 5 wires. 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. On most recreational vehicles. Purple auxiliary 12v powerreverse lightsreverse lockout for trailer brakes. 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.
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. 7 pin trailer wiring diagram with brakes. The first thing you need to do is make sure that your connector works properly. 7 way trailer connectors are used by the following vehicle types. I have a separate wire for brake lights. The four wires control the turn signals brake lights and taillights or running lights.
Our guidelines will help you narrow down and repair the most common causes of issues during 4 and 5 way wiring installations. Im not able to track down a wiring diagram for your chevy truck. Traditional trailer with brakes use a 5 pin connector. Complete with a color coded trailer wiring diagram for each plug type this guide walks through various trailer wiring installation solution including custom wiring splice in wiring and replacement wiring. Check with a test light or vom. You will then be able to match them up to the 4 way harness.
1 4 wire the first 4 pins white brown yellow green just like the 4 pin connector above.
Gallery of 4 Pin Trailer Wiring Diagram With Brakes
