AVH-120BT Wiring Diagram: A Comprehensive Guide

If you’re looking for a reliable car audio system, Pioneer’s AVH-120BT might be what you need. This double-DIN receiver is packed with features that can enhance your listening experience while driving. However, installing it can be challenging, especially if you’re not familiar with its wiring diagram.

In this article, we’ll provide you with a comprehensive guide on the AVH-120BT wiring diagram. We’ll cover its components, color codes, and connections. By the end of this article, you’ll have a better understanding of how to connect your AVH-120BT and enjoy your favorite tunes on the road.

AVH-120BT Wiring Diagram Components

Before we dive into the wiring diagram, let’s first look at the components that comprise the AVH-120BT:

  1. AVH-120BT head unit
  2. Wiring harness
  3. Microphone
  4. Screws
  5. Owner’s manual

These components work together to provide you with a high-quality car audio system. However, to ensure that they work seamlessly, you need to know how to connect them properly.

AVH-120BT Wiring Diagram Color Codes

The AVH-120BT wiring diagram uses color codes to indicate which wire connects to which component. Here are the color codes that you need to know:

Wire Color
Constant power Yellow
Switched power Red
Ground Black
Power antenna Blue
Remote turn-on Blue/white
Front left speaker (positive) White
Front left speaker (negative) White/black
Front right speaker (positive) Gray
Front right speaker (negative) Gray/black
Rear left speaker (positive) Green
Rear left speaker (negative) Green/black
Rear right speaker (positive) Purple
Rear right speaker (negative) Purple/black
Reverse trigger Light green

Make sure to double-check these color codes before connecting the wires. Otherwise, you might short-circuit your AVH-120BT or damage your car’s electrical system.

AVH-120BT Wiring Diagram Connections

Now that we know the components and color codes, let’s proceed to the wiring connections. Here’s the wiring diagram for the AVH-120BT:

As you can see, there are several connections that you need to make. Let’s break down each connection in detail:

Power Connections

The first connections that you need to make are the power connections. These are the yellow, red, and black wires:

  1. Connect the yellow wire to the constant power source to provide continuous power to the AVH-120BT. This wire should be connected to the battery or a power distribution block.
  2. Connect the red wire to the switched power source to turn the AVH-120BT on and off with the ignition switch. This wire should be connected to a fuse box or the car’s ignition switch.
  3. Connect the black wire to the ground source to provide a return path for the AVH-120BT’s electrical system. This wire should be connected to a metal part of the car’s chassis.

Speaker Connections

After connecting the power wires, you need to connect the speaker wires. These are the white, white/black, gray, gray/black, green, green/black, purple, and purple/black wires:

  1. Connect the white wire to the positive terminal of the front left speaker.
  2. Connect the white/black wire to the negative terminal of the front left speaker.
  3. Connect the gray wire to the positive terminal of the front right speaker.
  4. Connect the gray/black wire to the negative terminal of the front right speaker.
  5. Connect the green wire to the positive terminal of the rear left speaker.
  6. Connect the green/black wire to the negative terminal of the rear left speaker.
  7. Connect the purple wire to the positive terminal of the rear right speaker.
  8. Connect the purple/black wire to the negative terminal of the rear right speaker.

Other Connections

Finally, you need to connect the remaining wires, namely the blue, blue/white, and light green wires:

  1. Connect the blue wire to the power antenna source. This wire should be connected to the car’s power antenna control wire.
  2. Connect the blue/white wire to the remote turn-on source. This wire should be connected to the car’s amplifier turn-on wire.
  3. Connect the light green wire to the reverse trigger source. This wire should be connected to the car’s reverse light wire.

AVH-120BT Wiring Diagram FAQ

Here are some frequently asked questions about the AVH-120BT wiring diagram:

1. Can I connect the AVH-120BT to a car without a wiring harness?

No, you cannot connect the AVH-120BT to a car without a wiring harness. The wiring harness ensures that the AVH-120BT’s electrical system is compatible with your car’s electrical system. Without the harness, you might damage your AVH-120BT or your car’s electrical system.

2. What happens if I connect the wires incorrectly?

If you connect the wires incorrectly, you might short-circuit your AVH-120BT or damage your car’s electrical system. Make sure to double-check the color codes and connections before powering on your AVH-120BT.

3. Can I install the AVH-120BT myself or should I hire a professional?

You can install the AVH-120BT yourself if you have experience with car audio systems and wiring diagrams. However, if you’re not confident in your skills, it’s best to hire a professional installer. A professional can ensure that your AVH-120BT is installed correctly and safely.

Conclusion

The AVH-120BT wiring diagram might look intimidating at first, but with this guide, you can connect it safely and efficiently. Remember to double-check the color codes and connections before powering on your AVH-120BT. With its advanced features and high-quality audio output, you can enjoy your favorite tunes while driving and elevate your driving experience.