The Honda Civic is a popular car model around the world, and many people choose to customize their vehicles with aftermarket stereo systems. However, installing a new stereo in your car can be challenging if you don’t have the right wiring diagram. This guide will provide you with a detailed 99 Civic stereo wiring diagram, along with some frequently asked questions about car stereo installation.
What You’ll Need
Before you begin the installation process, you’ll need a few essential tools and materials:
- A stereo unit
- A wiring harness adapter
- A set of wire cutters
- A set of crimpers
- A set of screwdrivers
- An electrical tape
Once you have everything you need, you’re ready to get started!
Wiring Diagram
Here is the 99 Civic stereo wiring diagram that you’ll need to follow:
| Wire Color | Function | Connector |
|---|---|---|
| Yellow | Battery | Constant 12V+ |
| Red | Battery | Ignition 12V+ |
| Black | Ground | Ground |
| Blue/White | Remote | Amplifier turn on |
| Orange | Illumination | Dimmer |
| Blue | Power Antenna | Antenna |
| White | Front Left Speaker (+) | Front Left Speaker |
| White/Black | Front Left Speaker (-) | Front Left Speaker |
| Gray | Front Right Speaker (+) | Front Right Speaker |
| Gray/Black | Front Right Speaker (-) | Front Right Speaker |
| Green | Rear Left Speaker (+) | Rear Left Speaker |
| Green/Black | Rear Left Speaker (-) | Rear Left Speaker |
| Violet | Rear Right Speaker (+) | Rear Right Speaker |
| Violet/Black | Rear Right Speaker (-) | Rear Right Speaker |
Make sure to follow this wiring diagram closely to ensure the best sound quality from your new stereo.
Installation Process
The installation process for a new stereo in a 99 Civic is relatively straightforward, although it can take some time. Here are the general steps you’ll need to follow:
- Disconnect the negative cable from your car battery
- Remove the old stereo unit from your dashboard
- Connect the wiring harness adapter to the wires in your car using the colors from the wiring diagram above
- Connect the other end of the wiring harness adapter to your new stereo unit
- Insert the new stereo into the dashboard and secure it in place
- Reconnect the negative cable to your car battery
- Test your new stereo to make sure it’s working properly
FAQ
1. What is a wiring harness adapter?
A wiring harness adapter is a device that connects the wires in your car to the wires in your new stereo unit. It allows you to avoid cutting and splicing wires, which can be a complicated and time-consuming process.
2. How do I know which wires to connect?
Refer to the wiring diagram provided in this guide, and match the wire colors to the corresponding functions on your new stereo unit. Make sure to double-check your connections before testing your new stereo.
3. What if my stereo unit doesn’t fit in my dashboard?
If your new stereo unit doesn’t fit properly in your dashboard, you may need to purchase a custom installation kit. These kits are designed to help you fit your new stereo into your car’s dashboard securely.
4. How can I improve the sound quality of my new stereo?
There are several ways to improve the sound quality of your new stereo, including using high-quality speakers and amplifiers, adjusting the equalizer settings, and adding sound deadening materials to your car’s interior.
5. Can I install a new stereo unit myself?
Yes, you can install a new stereo unit yourself if you have the right tools and follow the instructions carefully. However, if you’re not confident in your ability to install a new stereo, it’s always best to seek the help of a professional car audio installer.
With this detailed 99 Civic stereo wiring diagram and installation guide, you’ll be able to enjoy high-quality sound in your Honda Civic in no time!
