2013 Mazda 3 Radio Wiring Diagram

If you’re looking for a wiring diagram for your 2013 Mazda 3 radio, you’ve come to the right place. In this article, we’ll provide detailed information on the wiring diagram for the 2013 Mazda 3 radio, including what each wire connects to and how to properly install it. Whether you’re upgrading your audio system or just need to repair a faulty wire, this guide will help you get the job done.

What You’ll Need

Before we dive into the wiring diagram, let’s take a look at the tools and materials you’ll need to install or repair your Mazda 3 radio. You’ll need:

  • A wiring diagram for the 2013 Mazda 3 radio (which you can find below)
  • Wire cutters and strippers
  • Electrical tape
  • A multimeter or voltage tester
  • A soldering iron and solder (if necessary)

Wiring Diagram

Here is the complete wiring diagram for the 2013 Mazda 3 radio:

Wire Color Function
Red Battery (+)
Black Ground (-)
Yellow Accessory (+)
Blue/White Stripe Amp Turn-On
Orange/White Stripe Illumination
Light Green/Black Stripe Steering Wheel Control
Gray Front Right Speaker (+)
Gray/Black Stripe Front Right Speaker (-)
White Front Left Speaker (+)
White/Black Stripe Front Left Speaker (-)
Purple Rear Right Speaker (+)
Purple/Black Stripe Rear Right Speaker (-)
Green Rear Left Speaker (+)
Green/Black Stripe Rear Left Speaker (-)

Red Wire (Battery +)

The red wire is the primary power source for the radio. It should be connected to the positive terminal of the battery or a switched power source that turns on and off with the ignition. Be sure to use a fuse on this wire to protect your radio.

Black Wire (Ground -)

The black wire is the ground connection for the radio. It should be connected to a clean metal surface on the chassis of your vehicle.

Yellow Wire (Accessory +)

The yellow wire is the secondary power source for the radio. It should be connected to a power source that remains on even when the ignition is off, such as the memory wire on your vehicle’s fuse box. Be sure to use a fuse on this wire to protect your radio.

Blue/White Stripe Wire (Amp Turn-On)

The blue/white stripe wire is used to turn on an external amplifier for your audio system. If you don’t have an external amplifier, this wire should be capped off and not connected to anything.

Orange/White Stripe Wire (Illumination)

The orange/white stripe wire is used to control the illumination of your radio. It should be connected to a power source that is controlled by your vehicle’s headlight switch.

FAQ

What is the purpose of the Amp Turn-On wire?

The Amp Turn-On wire is used to turn on an external amplifier for your audio system. If you don’t have an external amplifier, this wire should be capped off and not connected to anything.

What is the purpose of the Illumination wire?

The Illumination wire is used to control the illumination of your radio. It should be connected to a power source that is controlled by your vehicle’s headlight switch.

Can I use a different color wire for the power or ground connections?

You can use a different color wire for the power or ground connections, but it’s important to make sure that you follow the wiring diagram and label each wire accordingly.

How do I test the wires to make sure they’re connected properly?

You can use a multimeter or voltage tester to test the wires and make sure they’re connected properly. Simply connect the positive lead of the tester to the wire you want to test and the negative lead to a known ground. If the wire is properly connected, you should see a reading on the tester.

Do I need to solder the connections?

It’s not necessary to solder the connections, but it’s recommended for a more secure and reliable connection. If you choose not to solder, be sure to use crimp connectors or wire nuts to secure the connections.