The 2003 Mitsubishi Eclipse is a popular sports car that came with a factory-installed Infinity sound system. If you’re planning to upgrade or replace your Eclipse’s radio, it’s important to understand the wiring diagram to ensure a successful installation. In this article, we’ll guide you through the process of understanding the 2003 Mitsubishi Eclipse Infinity radio wiring diagram.
What is the Infinity sound system?
The Infinity sound system is a premium audio system that was available as an option in the 2003 Mitsubishi Eclipse. It comes with a 6-disc CD changer, a subwoofer, and a built-in amplifier. The Infinity sound system is known for its clear and powerful sound quality, making it a popular choice among car enthusiasts.
Understanding the wiring diagram
The wiring diagram for the 2003 Mitsubishi Eclipse Infinity sound system can seem confusing at first, but it’s actually quite simple once you understand the basics. The diagram is divided into different sections, each representing a component of the sound system. Here’s a breakdown of each section:
| Section | Description |
|---|---|
| Radio | This section represents the wiring connections between the radio and the other components of the sound system. |
| Amplifier | This section shows the wiring connections between the amplifier and the other components of the sound system. |
| Speakers | This section represents the wiring connections between the speakers and the other components of the sound system. |
Radio wiring diagram
The radio wiring diagram shows the connections between the radio and the other components of the sound system. Here’s a breakdown of each wire:
| Wire color | Function | Connection |
|---|---|---|
| Yellow/Red | Battery | Connected to the car’s battery (or fuse box). |
| Black/Red | Ground | Connected to a metal part of the car’s chassis. |
| Orange/Black | Illumination | Connected to the car’s dashboard dimmer switch. |
| Red/Black | Accessory | Connected to a fuse that’s only active when the car’s ignition switch is in the “on” or “acc” position. |
| Blue/White | Amplifier remote | Connected to the amplifier’s “remote turn on” wire. |
| Green/Black | Left front speaker(+) | Connected to the positive terminal of the left front speaker. |
| White/Black | Left front speaker(-) | Connected to the negative terminal of the left front speaker. |
| Yellow/Black | Right front speaker(+) | Connected to the positive terminal of the right front speaker. |
| Red/Black | Right front speaker(-) | Connected to the negative terminal of the right front speaker. |
| Blue/Black | Left rear speaker(+) | Connected to the positive terminal of the left rear speaker. |
| Yellow/Red | Left rear speaker(-) | Connected to the negative terminal of the left rear speaker. |
| Green/Yellow | Right rear speaker(+) | Connected to the positive terminal of the right rear speaker. |
| White/Red | Right rear speaker(-) | Connected to the negative terminal of the right rear speaker. |
Amplifier wiring diagram
The amplifier wiring diagram shows the connections between the amplifier and the other components of the sound system. Here’s a breakdown of each wire:
| Wire color | Function | Connection |
|---|---|---|
| Red/Black | Battery | Connected to the car’s battery (or fuse box). |
| Black | Ground | Connected to a metal part of the car’s chassis. |
| Blue/White | Amplifier remote | Connected to the radio’s “remote turn on” wire. |
| Green/Black | Left front speaker(+) | Connected to the positive terminal of the left front speaker. |
| White/Black | Left front speaker(-) | Connected to the negative terminal of the left front speaker. |
| Yellow/Black | Right front speaker(+) | Connected to the positive terminal of the right front speaker. |
| Red/Black | Right front speaker(-) | Connected to the negative terminal of the right front speaker. |
| Blue/Black | Left rear speaker(+) | Connected to the positive terminal of the left rear speaker. |
| Yellow/Red | Left rear speaker(-) | Connected to the negative terminal of the left rear speaker. |
| Green/Yellow | Right rear speaker(+) | Connected to the positive terminal of the right rear speaker. |
| White/Red | Right rear speaker(-) | Connected to the negative terminal of the right rear speaker. |
Frequently asked questions (FAQ)
Can I use an aftermarket radio with the Infinity sound system?
Yes, you can use an aftermarket radio with the Infinity sound system. However, you’ll need to use a wiring harness adapter to connect the radio to the car’s wiring system. The wiring harness adapter will allow you to connect the radio’s wiring to the car’s wiring without having to cut any wires.
What should I do if my Eclipse’s wiring doesn’t match the diagram?
If your Eclipse’s wiring doesn’t match the diagram, it’s possible that the previous owner made some changes to the sound system. In this case, it’s best to consult a professional car audio installer to help you understand the wiring and make any necessary changes.
Can I replace the Infinity sound system with a different brand?
Yes, you can replace the Infinity sound system with a different brand. However, you’ll need to make sure that the new sound system is compatible with your Eclipse’s wiring system. You may also need to make some modifications to the car’s wiring to ensure a successful installation.
Do I need to use a special type of speaker with the Infinity sound system?
No, you don’t need to use a special type of speaker with the Infinity sound system. However, it’s important to use speakers that are compatible with your Eclipse’s wiring system to ensure the best possible sound quality.
Can I add additional speakers to the Infinity sound system?
Yes, you can add additional speakers to the Infinity sound system. However, you’ll need to make sure that the new speakers are compatible with the amplifier’s power output. You may also need to make some modifications to the car’s wiring to ensure a successful installation.
