2017 F150 Tail Light Wiring Diagram: A Comprehensive Guide

The 2017 Ford F150 is an outstanding pickup truck that comes with a host of exciting features. One of the most important parts of this truck are the tail lights. They help improve visibility, enhance safety, and add an aesthetic touch to your vehicle. However, understanding the wiring diagram can be a daunting task for many truck owners.

What is a Tail Light Wiring Diagram?

A tail light wiring diagram is a schematic or a map that shows the electrical connections of the tail lights on your vehicle. It illustrates the wiring of the tail lights, the colors of the wires, the connections between the wires, and the components that they connect to.

The tail light wiring diagram is important because it helps truck owners understand how to troubleshoot and repair any problems that may arise with their tail lights. Moreover, it enables them to modify their tail lights or install additional lighting to meet their specific needs.

Understanding the 2017 F150 Tail Light Wiring Diagram

The 2017 F150 tail light wiring diagram is a bit complicated. However, we have simplified it into a comprehensive guide that any truck owner can follow to understand how their tail lights work.

Wiring Diagram Components

The 2017 F150 tail light wiring diagram has four primary components:

  1. Power Distribution/ Fuse Box
  2. Switches
  3. Connectors
  4. Bulbs and Sockets

The power distribution box is located in the engine compartment near the battery. It houses the fuses and relays that control the various electrical circuits in the truck including the tail lights.

The switches are located on the dashboard of the truck. They control the on/off functions of the tail lights and the brake lights.

The connectors are used to connect various components of the tail lights together. They include the tail light connector, the turn signal connector, and the brake light connector.

The bulbs and sockets are the components that emit light. They are located inside the tail light housing and are responsible for illuminating the tail lights, turn signals, and brake lights.

Wiring Diagram Colors

The 2017 F150 tail light wiring diagram has several colors of wires. The most common wire colors include red, black, white, blue, green, yellow, and brown.

The red wire is the power supply wire, while the black wire is the ground wire. The white wire is the backup light wire, while the blue wire is the trailer brake wire. The green wire is the right turn signal wire, while the yellow wire is the left turn signal wire. Finally, the brown wire is the taillight wire.

Wiring Diagram Functions

The 2017 F150 tail light wiring diagram has four primary functions. They include:

  1. Illuminate the tail lights when the headlights are on
  2. Activate the brake lights when the brake pedal is depressed
  3. Activate the turn signals when the turn signal lever is engaged
  4. Activate the reverse lights when the truck is in reverse gear

Table of Fuse and Relay Information

Function Fuse Number Relay Number
Tail Lights F34 R48
Brake Lights F37 R205
Turn Signals F43 R204
Back Up Lights F33 R205

Frequently Asked Questions

1. How do I troubleshoot the tail lights on my 2017 F150?

The first thing you should do when troubleshooting your tail lights is to check the fuses and relays that control them. If they are okay, then you should check the bulbs and sockets to ensure that they are functioning well. Finally, check the wiring connections to ensure that they are tight and not corroded.

2. Can I use LED bulbs on my 2017 F150 tail lights?

Yes, you can use LED bulbs on your 2017 F150 tail lights. LED bulbs are energy-efficient, long-lasting, and emit bright light. However, you may need to install resistors to avoid hyperflashing or error codes on your dashboard.

3. How do I install additional lighting on my 2017 F150 tail lights?

You can install additional lighting on your 2017 F150 tail lights by using a wiring harness kit. The kit comes with a switch, a relay, and a wiring harness. It also includes instructions on how to install it on your truck. Moreover, you can consult with a professional mechanic to ensure a proper installation.

4. How do I replace the tail light assembly on my 2017 F150?

The tail light assembly on your 2017 F150 is easy to replace. Firstly, remove the tail light assembly by unscrewing the bolts that hold it in place. Secondly, disconnect the wiring harness that connects the assembly to the truck. Finally, install the new tail light assembly by reversing the process.

In conclusion, the 2017 F150 tail light wiring diagram is a crucial component of the truck’s electrical system. Understanding it can help you troubleshoot and repair any issues that may arise. You can also modify your tail lights to meet your specific needs by following this comprehensive guide.