So, you're thinking about upgrading the sound system in your 2013 Subaru Outback? Smart move! The factory audio, while decent, often leaves audiophiles wanting more. But before you dive headfirst into new speakers, amplifiers, and subwoofers, you need to understand the wiring. This guide will be your roadmap, helping you navigate the often-intimidating world of car audio wiring in your Outback and ensure a smooth, successful upgrade. Understanding the wiring is crucial for a clean install, avoiding damage to your vehicle's electrical system, and getting the most out of your new audio gear.
Why Bother with Aftermarket Audio in Your Outback?
Let's face it, the stock speakers in many cars, including the 2013 Outback, are often made with budget-friendly materials. This can result in a sound that lacks clarity, depth, and punch. Upgrading your audio system can drastically improve your listening experience. Imagine crisp highs, rich mids, and a deep, satisfying bass that transforms your daily commute or road trip into a concert on wheels. Plus, with modern aftermarket head units offering features like Apple CarPlay and Android Auto, you can also enhance your in-car connectivity and entertainment options.
Decoding the 2013 Outback's Wiring Harness: Your Key to Success
The heart of any car audio installation is the wiring harness. This is where the factory wiring connects to the radio and distributes power, ground, and audio signals. Messing with the harness without proper knowledge can lead to blown fuses, damaged components, or even electrical fires.
Important Safety Tip: Before you begin any wiring work, disconnect the negative terminal of your car's battery. This will prevent accidental shorts and protect both you and your vehicle's electrical system.
The 2013 Subaru Outback uses a standard wiring harness, but knowing the specific pinouts for each wire is essential. Here's a breakdown of the common wires you'll encounter:
- 12V Constant (Battery): Provides continuous power to the radio, even when the ignition is off. This is usually a thick, yellow wire.
- 12V Switched (Ignition): Provides power only when the ignition is turned on. This wire is typically red.
- Ground: Provides a return path for the electrical current. This is usually a black wire.
- Illumination: Dims the radio display when the headlights are turned on. This is typically an orange or orange/white wire.
- Remote Turn-On (Amplifier): Sends a signal to turn on aftermarket amplifiers when the radio is powered on. This is usually a blue or blue/white wire.
- Speaker Wires: These wires connect to the speakers. Each speaker has a positive (+) and negative (-) wire.
Pinout Diagram:
While a universal diagram isn't always perfect, here's a general guideline for a 2013 Subaru Outback head unit wiring harness. Always verify with a multimeter or wiring diagram specific to your vehicle before making any connections.
| Pin Number | Wire Color | Function |
|---|---|---|
| 1 | White/Red | Left Front (+) |
| 2 | White/Black | Left Front (-) |
| 3 | Gray/Red | Right Front (+) |
| 4 | Gray/Black | Right Front (-) |
| 5 | Red/Yellow | Left Rear (+) |
| 6 | Red/Black | Left Rear (-) |
| 7 | Green/Yellow | Right Rear (+) |
| 8 | Green/Black | Right Rear (-) |
| 9 | Blue/Red | Antenna Power |
| 10 | Yellow | 12V Constant (Battery) |
| 11 | Black | Ground |
| 12 | Red | 12V Switched (Ignition) |
| 13 | Orange/White | Illumination |
| 14 | Blue/White | Remote Turn-On (Amplifier) |
Important Note: Wire colors can sometimes vary slightly between different trims and production runs. Always double-check with a reliable wiring diagram specific to your vehicle. You can usually find these diagrams online, in a repair manual, or from a car audio installation professional.
Connecting Your New Head Unit: Harness Adapters to the Rescue
The easiest and safest way to connect your new head unit is by using a wiring harness adapter. These adapters are specifically designed for your 2013 Subaru Outback and allow you to connect your aftermarket radio without cutting or splicing any of the factory wiring.
How Harness Adapters Work:
One end of the adapter plugs directly into the factory wiring harness in your car. The other end has standard connectors that match the wiring of your new head unit. This creates a plug-and-play connection, making the installation process much simpler and reversible.
Benefits of Using a Harness Adapter:
- Easy Installation: No need to cut or splice wires.
- Reversibility: You can easily remove the aftermarket radio and reinstall the factory radio if needed.
- Preserves Factory Wiring: Keeps your car's wiring intact, which can be important for warranty purposes.
- Reduces Risk of Damage: Minimizes the chance of accidentally damaging your car's electrical system.
Choosing the Right Harness Adapter:
Make sure to choose an adapter that is specifically designed for your 2013 Subaru Outback and the brand of your new head unit. You can usually find these adapters at car audio stores or online retailers.
Upgrading Your Speakers: Wiring Considerations
Replacing your factory speakers is another great way to improve your Outback's audio quality. When upgrading speakers, you'll need to consider the speaker wiring.
Speaker Wire Polarity:
It's crucial to connect the speaker wires with the correct polarity. The positive (+) wire should be connected to the positive terminal on the speaker, and the negative (-) wire should be connected to the negative terminal. Connecting the wires backward can result in phase cancellation, which can significantly reduce bass response and overall sound quality.
Identifying Speaker Wire Polarity:
- Wiring Diagrams: Consult a wiring diagram specific to your 2013 Subaru Outback.
- Multimeter: Use a multimeter to test the wires.
- Visual Inspection: Some speaker wires have a stripe or other marking on one of the wires to indicate the positive (+) side.
Running New Speaker Wire:
In some cases, you may want to run new speaker wire, especially if you're installing a high-powered amplifier. Higher-gauge wire can handle more power and deliver a cleaner signal to your speakers.
Adding an Amplifier: Powering Up Your Sound
Adding an amplifier is a great way to boost the power and clarity of your audio system. When adding an amplifier, you'll need to connect it to the following:
- Power: Connect the amplifier to the car's battery using a thick power wire.
- Ground: Connect the amplifier to a solid ground point on the car's chassis.
- Remote Turn-On: Connect the amplifier's remote turn-on wire to the radio's remote turn-on wire.
- Speaker Wires: Connect the amplifier to the speakers using speaker wire.
- RCA Cables: Connect the amplifier to the radio's RCA outputs (if applicable).
Choosing the Right Amplifier:
Choose an amplifier that is powerful enough to drive your speakers and subwoofers. Consider the amplifier's power output, impedance, and number of channels.
Subwoofer Installation: Adding the Bass
Adding a subwoofer is the best way to add deep, satisfying bass to your Outback's audio system. When installing a subwoofer, you'll need to connect it to the following:
- Amplifier: Connect the subwoofer to a dedicated subwoofer amplifier.
- Enclosure: Mount the subwoofer in a suitable enclosure.
- Wiring: Use high-quality speaker wire to connect the subwoofer to the amplifier.
Choosing the Right Subwoofer:
Choose a subwoofer that is appropriate for your car's size and your listening preferences. Consider the subwoofer's size, power handling, and enclosure type.
Frequently Asked Questions
- Q: What if I cut a wire by accident?
- Immediately disconnect the battery. Then, use a wire connector or solder to repair the wire, ensuring a secure and insulated connection.
- Q: Can I use any wire for my speakers?
- While you can, it's best to use dedicated speaker wire. It's designed for audio signals and minimizes signal loss.
- Q: Do I need a special tool to crimp wire connectors?
- Yes, a crimping tool is essential for creating secure and reliable connections with wire connectors.
- Q: What does "grounding" mean?
- Grounding is connecting an electrical component to the car's chassis, which provides a common reference point for electrical current and prevents electrical noise.
- Q: Where can I find a wiring diagram for my specific Outback?
- Online forums, repair manuals, and professional car audio installers are good sources for wiring diagrams.
Conclusion
Upgrading the car audio in your 2013 Subaru Outback can significantly enhance your driving experience. By understanding the wiring and following this guide, you can confidently tackle your audio upgrade project and enjoy a superior sound system. Remember to always prioritize safety and double-check your connections before powering everything on.