3 Prong Tail Light Plug Wiring Diagram: A Complete Guide

Having trouble understanding the wiring diagram for your 3 prong tail light plug? Don’t worry, you’re not alone. It can be a bit tricky to figure out, but once you know what each wire does, it becomes much simpler. In this article, we’ll walk you through the basics of 3 prong tail light plug wiring, including the color codes, how to connect the wires, and common FAQs.

What is a 3 Prong Tail Light Plug?

Before we get started with the wiring diagram, let’s first go over what a 3 prong tail light plug is. The tail light plug is the connector that attaches the wiring from your vehicle to the tail lights on your trailer. A 3 prong tail light plug has 3 wires within the plug that are used to connect to the corresponding wires on the trailer lights.

What are the 3 Wires in a 3 Prong Tail Light Plug?

The three wires in a 3 prong tail light plug are:

Wire color Function
Brown Tail lights
Yellow Left turn signal and brake lights
Green Right turn signal and brake lights

Wiring Diagram for a 3 Prong Tail Light Plug

When wiring a 3 prong tail light plug, it’s important to make sure you’re connecting each wire to its proper corresponding wire. Here’s a diagram to help guide you:

Wire color Function Trailer wire color
Brown Tail lights Brown
Yellow Left turn signal and brake lights Yellow
Green Right turn signal and brake lights Green

Simply match the wire colors and connect them together, and you’re good to go!

FAQs

What if my trailer has more than 3 wires?

If your trailer has more than 3 wires, you may need a different type of connector. Check the wiring on your trailer and consult with a professional if you’re unsure.

What do I do if my tail lights aren’t working?

If your tail lights aren’t working, first check to make sure the bulbs are not burned out. If the bulbs are fine, check the wiring connections to make sure they’re secure and properly connected.

What if my turn signals are flashing too fast or not at all?

If your turn signals are flashing too fast or not at all, it could be a problem with the wiring or the flasher relay. Check the wiring connections first, and if that doesn’t solve the issue, consult a professional.

Can I use electrical tape to secure the wiring connections?

No, it’s not recommended to use electrical tape to secure wiring connections. Instead, use wire connectors or crimping tools to properly secure the wires.

Do I need a professional to install a 3 prong tail light plug?

While it’s possible to install a 3 prong tail light plug on your own, it’s recommended to consult with a professional if you’re unsure about the wiring or installation process.

With this guide, you should now have a better understanding of how to wire a 3 prong tail light plug. Happy towing!