How To Wire A 3 Pin Trailer Plug

The white wire must be attached to the trailer in order to ground and power the lights.

How to wire a 3 pin trailer plug.

This type of connector is normally found on utvs atvs and trailers that do not have their own braking system. We ll walk you through the wiring process it s easier than you think. You must check the trailer manual to see if the wiring is correct but normally the white wire is called the ground wire while the brown wire is used for tail lights. Strip the wire end back about a 1 2 inch and insert it into a terminal with a heat shrink tube.

There is a lot wiring that you have to tie into your truck s wiring harness but it is easier to do than it seems. Installing the 4 pin trailer wires. A 7 way plug connects your trailer and tow vehicle and provides the required lights turn signals brake power battery hot lead reverse lights and ground. Wiring a 7 pin plug on your truck can be a little intimidating when you are looking at it from outside the box.

Attach the ground wire to the trailer. How to wire a 7 pin trailer plug by robert moore. Get it as soon as thu sep 24. 807 3 way flat trailer wire connectors 3 pin traile plug connector 36inch for led brake tailgate light bars hitch light trailer wiring harness extension connector 3 way flat socket 4 3 out of 5 stars 3.

One to two feet is good. Use this 4 pin trailer wiring diagram to properly wire your 4 wire trailer plug. Below is the generic schematic of how the wiring goes. Cut the white wire short enough for attachment to the front of the trailer near the connector plug.

Yellow and green are for left and right turns and braking. 7 way plug wiring diagram standard wiring post purpose wire color tm park light green battery feed black rt right turn brake light brown lt left turn brake 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. Connecting the wrong color wires will result in mismatched taillight functions and confusion on the road. Most of us aren t electricians but that doesn t mean wiring a trailer or replacing corroded wiring is beyond us.

Free shipping on your first order shipped by amazon. Start by cutting the white wire and attaching it to the trailer frame. 4 pin 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.

Above we have describes the main types of trailer wiring diagrams. Note that this type of 4 pin connector is less common that 4 pin flat connector.