Car audio systems have come a long way over the years. Today, most car owners demand a high-end, sophisticated audio system with multiple features like Bluetooth connectivity, USB ports, and GPS navigation, all of which can be found in the 7012b stereo. This radio includes all those features, making it an excellent choice for car enthusiasts.
But installing a new stereo system can be a daunting task, especially if you’re not familiar with the wiring setup. In this guide, we’ll walk you through every step of the process, from understanding the stereo’s wiring diagram to mounting the unit and connecting it to your car’s audio system. So, let’s get started!
Understanding the 7012b Stereo Wiring Diagram
The wiring diagram for the 7012b stereo is the blueprint for your installation process. It highlights the location of each wire and its function in the system. Before you start the installation, take time to understand the diagram and plan how you will route the wires from the stereo to your car’s audio system.
The diagram consists of some primary categories, which are power cables, audio input, audio output, and other cables. The power cables supply power to the stereo system from the car battery, while the audio input and audio output cables relay audio signals to and from the stereo respectively. Other cables are those responsible for various functions such as antenna connection and GPS navigation.
It is essential to ensure that you match the wiring diagram’s colors with your car’s audio system to avoid confusion during the installation process. Colors like red, yellow, and black are common in most cars, and they correspond to power, memory, and ground cables respectively.
Power Cables
The power cables are the most critical cables in the 7012b stereo wiring diagram. They supply power to the entire system, so proper installation of these cables ensures the system runs correctly. The power cables include:
| Color | Function |
| Yellow | Battery Positive (Constant Power) |
| Red | Battery Positive (Switched Power) |
| Black | Battery Negative (Ground) |
The yellow cable should be connected to a constant power source that does not switch off when the car is turned off. This ensures that the system’s memory is retained, and you don’t have to reset the clock and other settings every time you turn on the car.
The red cable should be connected to a switched power source, which turns on when you start the car. This ensures that the stereo turns off when you turn off the car to save battery power.
The black cable should be connected to a metal point on the car’s frame, preferably near the stereo’s mounting position. This provides a stable and reliable earth connection for the stereo system.
Audio Input Cables
The audio input cables transfer the audio signals from external sources to the 7012b stereo. The audio input cables include:
| Color | Function |
| White | Left Front Speaker Positive |
| White/Black | Left Front Speaker Negative |
| Gray | Right Front Speaker Positive |
| Gray/Black | Right Front Speaker Negative |
| Green | Left Rear Speaker Positive |
| Green/Black | Left Rear Speaker Negative |
| Purple | Right Rear Speaker Positive |
| Purple/Black | Right Rear Speaker Negative |
| Yellow (RCA) | Video Input |
| Red (RCA) | Right Audio Input |
| White (RCA) | Left Audio Input |
Audio Output Cables
The audio output cables transfer the audio signals from the 7012b stereo to the car’s speakers. The audio output cables include:
| Color | Function |
| White | Left Front Speaker Positive |
| White/Black | Left Front Speaker Negative |
| Gray | Right Front Speaker Positive |
| Gray/Black | Right Front Speaker Negative |
| Green | Left Rear Speaker Positive |
| Green/Black | Left Rear Speaker Negative |
| Purple | Right Rear Speaker Positive |
| Purple/Black | Right Rear Speaker Negative |
| Yellow (RCA) | Video Output |
| Red (RCA) | Right Audio Output |
| White (RCA) | Left Audio Output |
Other Cables
The other cables in the 7012b stereo wiring diagram are responsible for various functions, including GPS navigation, antenna connection, and steering wheel control, among others. The other cables include:
| Color | Function |
| Orange/White | Illumination |
| Blue | Power Antenna |
| Blue/White | Amp Remote |
| Pink | Reverse Signal |
| Brown | Phone Mute |
| Green/Yellow | Parking Brake Signal |
| Green/White | Reverse Sensor Signal |
| Gray/Yellow | Steering Wheel Control Input |
| Orange | Dimmer Control |
Installation and Connection
Now that you understand the 7012b stereo wiring diagram, you’re ready to start the installation process. Here are the steps to follow:
Step 1: Disconnect the Battery
Disconnect the car battery to avoid electrical hazards during installation. You don’t want to accidentally short-circuit the system and blow a fuse, setting off a safety hazard.
Step 2: Remove the Old Stereo System
Remove the old stereo system if you have one. Use the necessary tools to remove any screws or bolts that hold the unit in place. If the car has a factory-installed stereo system, skip this step.
Step 3: Install the 7012b Stereo
Mount the 7012b stereo system in the car’s dashboard using a mounting kit compatible with your car’s make and model. Follow the kit’s instructions carefully to avoid damaging the stereo or the car’s dashboard during installation.
Step 4: Connect the Cables
Connect the cables according to the wiring diagram’s colors, including the power cables, audio input, audio output, and other cables. Ensure that all the connections are secure and tight.
Step 5: Test the System
After connecting all the cables and making sure everything is in place, reconnect the car battery and test the system to ensure it’s functioning correctly. Check all the features, including Bluetooth connectivity, GPS navigation, and audio output, among others.
FAQs
1. How do I know which cable goes where in the 7012b stereo wiring diagram?
The wiring diagram highlights the cables and their corresponding functions. Ensure that you match the colors on the wiring diagram with those on your car’s audio system to avoid confusion during installation.
2. Can I install the 7012b stereo myself?
Yes, you can install the 7012b stereo yourself if you have basic knowledge of car audio systems and are comfortable with handling electrical connections. However, if you’re not confident with your skills or don’t have the necessary tools, it’s best to seek professional help.
3. Is it necessary to disconnect the car battery during installation?
Yes, disconnecting the car battery is essential to avoid electrical hazards during the installation process. Any accidental short-circuit can cause damage to the stereo or the car, and may cause a safety hazard.
Conclusion
Installing the 7012b stereo system in your car is an excellent way to upgrade your audio system’s features and performance. Understanding the wiring diagram is the first step in ensuring that the installation process is successful. Follow the steps we’ve outlined in this guide, and you’ll have a high-end audio system that offers various features and capabilities.
