The 2019 WRX is a great car, and one of the most important components of any vehicle is the tail lights. If you need to replace your tail lights or troubleshoot any issues, it’s important to have a good understanding of the wiring diagram. In this article, we’ll provide you with all the information you need to know about the 2019 WRX tail light wiring diagram.
What is a Wiring Diagram?
A wiring diagram is a visual representation of the electrical system of a vehicle. It shows the wiring connections between different components and how they are wired together. This can be very useful when troubleshooting electrical issues or installing new components.
Before we delve into the details of the 2019 WRX tail light wiring diagram, it’s important to understand some basic terms and concepts. These will help you better understand the wiring diagram and how it works.
Basic Electrical Terms
1. Voltage: The force that pushes electrical current through a circuit.
2. Current: The flow of electrons through a conductor.
3. Resistance: The opposition to the flow of electrical current.
4. Ground: A connection to the vehicle’s frame or chassis that serves as a reference point for electrical current.
2019 WRX Tail Light Wiring Diagram Overview
The 2019 WRX tail light wiring diagram shows the connections between the tail lights and the vehicle’s electrical system. There are several components that make up the tail light system:
- Tail light assembly
- Brake light switch
- Fuse box
- Wiring harness
Tail Light Assembly
The tail light assembly is the physical housing that contains the tail light bulbs. The assembly is connected to the vehicle’s electrical system through a wiring harness.
Brake Light Switch
The brake light switch is a small component that is mounted to the brake pedal. When the brake pedal is depressed, the switch activates the brake lights.
Fuse Box
The fuse box is a component that contains fuses for various electrical systems in the vehicle. The tail lights are connected to a specific fuse in the fuse box.
Wiring Harness
The wiring harness is a collection of wires that connects the tail light assembly to the vehicle’s electrical system. This harness is made up of several different wires, each with a specific purpose.
2019 WRX Tail Light Wiring Diagram
The 2019 WRX tail light wiring diagram is shown below:
| Wire Color | Purpose |
|---|---|
| Red | Brake Light Power |
| Black | Tail Light Ground |
| Yellow | Left Turn Signal Power |
| Green | Right Turn Signal Power |
FAQs
1. How do I replace a tail light on my 2019 WRX?
To replace a tail light on a 2019 WRX, follow these steps:
- Remove the tail light assembly by unscrewing the bolts.
- Disconnect the wiring harness from the assembly.
- Replace the tail light bulb.
- Reconnect the wiring harness to the assembly.
- Reattach the tail light assembly to the vehicle.
2. What should I do if my tail lights aren’t working?
If your tail lights aren’t working, there are several things you can check:
- Check the fuse for the tail lights in the fuse box.
- Check the wiring harness for any damage or loose connections.
- Check the brake light switch to make sure it’s functioning properly.
3. How do I troubleshoot a turn signal issue?
If you’re having issues with your turn signals, follow these steps:
- Check the turn signal bulb to make sure it’s functioning properly.
- Check the wiring harness for any damage or loose connections.
- If the issue persists, it may be a problem with the turn signal relay or switch. You may need a mechanic to diagnose and repair the issue.
4. Can I install aftermarket tail lights on my 2019 WRX?
Yes, you can install aftermarket tail lights on your 2019 WRX. However, it’s important to make sure that the tail lights are compatible with your vehicle’s electrical system.
5. Is it safe to modify the tail light wiring on my 2019 WRX?
We do not recommend modifying the tail light wiring on your 2019 WRX unless you have advanced knowledge of electrical systems and are confident in your abilities. Modifying the wiring can be dangerous and can cause damage to your vehicle.
Conclusion
In conclusion, the 2019 WRX tail light wiring diagram is an important component of the vehicle’s electrical system. It shows the connections between the tail lights and the rest of the electrical system, and can be very useful when troubleshooting issues or installing new components. By following the information provided in this article, you should be able to better understand the wiring diagram and keep your tail lights functioning properly.
