Honda Civic is a popular car model that has been around since the 1970s. The 1990 Civic is a fourth-generation model that was popular in its time. This car model has undergone several changes, including the radio system. If you are a Honda Civic owner, you may be looking for a radio wiring diagram to help you install or troubleshoot your radio system. In this article, we will provide you with a comprehensive guide on the 1990 Honda Civic radio wiring diagram.
Understanding Honda Civic Radio Wiring Diagram
The radio wiring diagram is an essential tool for anyone who wants to install or troubleshoot a radio system in a Honda Civic. This diagram shows the different components of the radio system and their connections. By understanding this diagram, you can easily identify the wires that you need to connect to install or troubleshoot the radio system. The 1990 Honda Civic radio wiring diagram consists of several components, including the power supply, speakers, and antenna.
The power supply is the source of power for the radio system. It consists of a constant power wire and an ignition wire. The constant power wire provides power to the radio system even when the car is turned off. The ignition wire provides power to the radio system when the car is turned on.
The speakers are the sound output devices of the radio system. They receive signals from the radio and convert them into sound. The radio system in a 1990 Honda Civic consists of four speakers, two in the front and two in the back.
The antenna is the device that receives radio signals. It is usually located on the roof of the car. The radio system in a 1990 Honda Civic uses a powered antenna, which requires a power supply to function properly.
Now that you understand the different components of the radio system, let’s take a closer look at the 1990 Honda Civic radio wiring diagram.
The 1990 Honda Civic Radio Wiring Diagram
The 1990 Honda Civic radio wiring diagram consists of several wires that are connected to different components of the radio system. These wires are color-coded for easy identification. Here is a breakdown of the wires and their functions:
| Wire Color | Function |
|---|---|
| Red | Constant power |
| Yellow | Ignition power |
| Black | Ground |
| White | Front left speaker (+) |
| White with black stripe | Front left speaker (-) |
| Gray | Front right speaker (+) |
| Gray with black stripe | Front right speaker (-) |
| Green | Back left speaker (+) |
| Green with black stripe | Back left speaker (-) |
| Purple | Back right speaker (+) |
| Purple with black stripe | Back right speaker (-) |
| Blue | Power antenna |
Now that you have a basic understanding of the 1990 Honda Civic radio wiring diagram, let’s take a closer look at each component of the radio system.
The Power Supply
The power supply is the first component of the radio system. It provides the necessary power to operate the radio. The 1990 Honda Civic radio system requires two types of power: constant power and ignition power.
The constant power wire is red. It provides power to the radio system even when the car is turned off. This wire is usually connected directly to the car battery. The ignition power wire is yellow. It provides power to the radio system when the car is turned on. This wire is usually connected to the car’s ignition switch.
FAQ
How do I connect the power supply wires?
To connect the power supply wires, you will need to use a wiring harness. A wiring harness is a pre-made set of wires that are designed to connect to the car’s electrical system and the radio. You can purchase a wiring harness at any auto parts store.
Can I connect the power supply wires directly to the car’s electrical system?
It is not recommended to connect the power supply wires directly to the car’s electrical system. This can cause damage to the radio and the car’s electrical system. Always use a wiring harness to connect the power supply wires.
The Speakers
The speakers are the sound output devices of the radio system. They receive signals from the radio and convert them into sound. The 1990 Honda Civic radio system consists of four speakers, two in the front and two in the back.
The front left speaker wires are white (+) and white with black stripe (-). The front right speaker wires are gray (+) and gray with black stripe (-). The back left speaker wires are green (+) and green with black stripe (-). The back right speaker wires are purple (+) and purple with black stripe (-).
FAQ
How do I connect the speaker wires?
To connect the speaker wires, you will need to use speaker wire connectors. Speaker wire connectors are small devices that are designed to connect the speaker wires to the radio. You can purchase speaker wire connectors at any auto parts store.
Can I connect the speaker wires directly to the radio?
It is not recommended to connect the speaker wires directly to the radio. This can cause damage to the radio and the speakers. Always use speaker wire connectors to connect the speaker wires.
The Antenna
The antenna is the device that receives radio signals. It is usually located on the roof of the car. The radio system in a 1990 Honda Civic uses a powered antenna, which requires a power supply to function properly.
The power antenna wire is blue. It provides power to the antenna. This wire is usually connected to the radio’s power antenna lead.
FAQ
How do I connect the power antenna wire?
To connect the power antenna wire, you will need to use a wiring harness. A wiring harness is a pre-made set of wires that are designed to connect to the car’s electrical system and the radio. You can purchase a wiring harness at any auto parts store.
Can I connect the power antenna wire directly to the car’s electrical system?
It is not recommended to connect the power antenna wire directly to the car’s electrical system. This can cause damage to the antenna and the car’s electrical system. Always use a wiring harness to connect the power antenna wire.
Conclusion
In conclusion, the 1990 Honda Civic radio wiring diagram is an essential tool for anyone who wants to install or troubleshoot a radio system in a Honda Civic. This diagram shows the different components of the radio system and their connections. By understanding this diagram, you can easily identify the wires that you need to connect to install or troubleshoot the radio system. We hope that this guide has been helpful in understanding the 1990 Honda Civic radio wiring diagram.
