Upgrading or replacing your car stereo can be a daunting task, especially when it comes to wiring the new system. If you’ve recently purchased a 2019 Jetta and looking to replace the stereo or add aftermarket components, you may need a wiring diagram to help you understand the wiring connections. In this article, we’ll provide you with a comprehensive guide that includes a 2019 Jetta stereo wiring diagram, common questions, and tables for easy reference.
Understanding the Wiring Diagram
The wiring diagram refers to a visual representation of the electrical system and how the components are connected to each other. It’s essential to have a clear understanding of the wiring diagram before installing any new stereo or speakers to prevent accidental damages. Here is a breakdown of the 2019 Jetta stereo wiring diagram that you need to know:
Radio Connector Pinouts
The 2019 Jetta’s radio connector has 20 pins, which are divided into two different connectors: Connector A and Connector B. Here’s a breakdown of the pinouts:
| Pin Number | Description |
|---|---|
| 1 | Front Left Speaker (+) |
| 2 | Front Left Speaker (-) |
| 3 | Front Right Speaker (+) |
| 4 | Front Right Speaker (-) |
| 5 | Ground |
| 6 | Remote Turn-On (Power Antenna, Amplifier, etc.) |
Amplifier Connector Pinouts
The 2019 Jetta’s amplifier connector has 12 pins, which are divided into two different connectors: Connector A and Connector B. Here’s a breakdown of the pinouts:
| Pin Number | Description |
|---|---|
| 1 | Ground |
| 2 | Subwoofer Output (+) |
| 3 | Subwoofer Output (-) |
| 4 | Right Rear Speaker (+) |
| 5 | Right Rear Speaker (-) |
| 6 | Right Front Speaker (+) |
| 7 | Right Front Speaker (-) |
| 8 | Left Front Speaker (+) |
| 9 | Left Front Speaker (-) |
| 10 | Left Rear Speaker (+) |
| 11 | Left Rear Speaker (-) |
| 12 | Ignition |
FAQs
What is a wiring diagram?
A wiring diagram is a visual representation of the electrical system and how the components are connected to each other. It is essential to have a clear understanding of the wiring diagram before installing any new stereo or speakers to prevent accidental damages.
How do I know if my Jetta has an amplifier?
The 2019 Jetta has a factory-installed amplifier located under the driver’s seat. If you’re unsure if your Jetta has an amplifier or not, you can check the back of your stereo unit to see if you have the amplifier connector.
Do I need any special tools to install a new stereo in my Jetta?
Installing a new stereo in your Jetta requires some basic tools such as screwdrivers, wire cutters, and crimping tools. However, some Jetta models may require additional tools such as DIN tools for removing the stereo from the dashboard.
Can I install an aftermarket amplifier in my Jetta?
Yes, you can install an aftermarket amplifier in your Jetta. However, you may need to install additional wiring and power sources to support the new amplifier. It’s essential to consult a professional installer before installing any new amplifier to prevent any damages.
Can I install new speakers without replacing the stereo unit?
Yes, you can install new speakers without replacing the stereo unit. However, you may need to install a separate amplifier or use an external amplifier to improve the sound quality.
Conclusion
The 2019 Jetta stereo wiring diagram guide should help you understand the wiring connections and prevent any accidental damages while upgrading your stereo or speakers. Make sure to consult a professional installer if you’re unsure about any steps to avoid any unnecessary risks.
