1. Introduction
This manual provides instructions for the Universal 24-Pin Car Stereo Radio RCA Output Wiring Adapter Cable. This adapter is designed to expand the audio and video connectivity of compatible car stereo systems, allowing integration with various external devices such as amplifiers, subwoofers, rear view cameras, mobile phones, MP3 players, tablets, and DVD players.
The adapter features a 24-pin main connector for the car stereo and a variety of RCA and auxiliary wire connections for external components.
Video: Overview of the 24-Pin Car Stereo Radio RCA Output Wiring Adapter Cable, showcasing its various connectors and overall design.
2. Compatibility
This adapter cable is compatible with the following car stereo models:
- AVIC-D3
- AVIC-F900BT
- AVIC-F90BT
- AVIC-F9115BT
- AVIC-F7010BT
- AVIC-F700BT
- AVIC-X9115BT
- AVIC-X7115BT
3. Setup and Installation
Before installation, ensure your car stereo is powered off and disconnected from the vehicle's power supply to prevent electrical damage.
Connect the Main 24-Pin Plug
Locate the corresponding 24-pin port on the back of your compatible car stereo unit. Carefully align the adapter's 24-pin plug and insert it firmly until it clicks into place.

Image: Close-up view of the 24-pin connector, which connects to the car stereo unit.
Connect RCA Audio Inputs
The adapter includes yellow, red, and white RCA connectors labeled 'AUDIO INPUT'. These are typically used for connecting external audio sources such as mobile phones, MP3 players, tablets, or DVD players to your car stereo's auxiliary input.

Image: RCA Audio Input connectors (yellow for video, red for right audio, white for left audio).
Connect RCA Audio Outputs
The adapter provides multiple RCA output pairs, typically labeled 'FRONT OUTPUT', 'SUBWOOFER OUTPUT', and 'REAR OUTPUT'. These are used to connect your car stereo to external amplifiers for enhanced sound quality or to a dedicated subwoofer amplifier.

Image: RCA output connectors for front speakers, subwoofer, and rear speakers.
Connect Rear View Camera Input
A brown RCA connector labeled 'REAR VIEW CAMERA IN' is provided for connecting a rear view camera. This allows the car stereo display to automatically switch to the camera feed when the vehicle is in reverse.
Connect System Remote and Mute Wires
The adapter includes a blue wire labeled 'SYSTEM REMOTE' and a yellow wire labeled 'MUTE'. The system remote wire is typically used to turn on external amplifiers when the car stereo is active. The mute wire can be connected to a hands-free system or other device that requires muting the audio.

Image: Close-up of the blue 'SYSTEM REMOTE' wire and yellow 'MUTE' wire.

Image: Complete view of the adapter cable, illustrating the arrangement of all connectors and labeled wires.
Secure Wiring
Once all necessary connections are made, ensure all wires are neatly routed and secured to prevent interference, short circuits, or damage from vehicle vibration. Use cable ties if needed.
4. Operation
This adapter cable is a passive component that facilitates connections between your car stereo and other devices. Once correctly installed, the operation of your audio/video system will depend on your car stereo unit and the connected external devices. Refer to the user manuals of your car stereo, amplifier, camera, or other connected devices for specific operational instructions.
- Ensure your car stereo is set to the correct input source (e.g., AUX, AV IN) to receive signals from devices connected to the 'AUDIO INPUT' RCAs.
- Verify that external amplifiers are powered on and receiving a signal from the 'SYSTEM REMOTE' wire.
- Test all audio and video connections to confirm proper functionality before reassembling your vehicle's dashboard or interior panels.
5. Maintenance
The adapter cable requires minimal maintenance. Follow these guidelines to ensure longevity:
- Keep all connections clean and free from dust or debris.
- Avoid excessive bending or sharp kinks in the cable, especially near the connectors, to prevent internal wire damage.
- Ensure the cable is not pinched or exposed to extreme temperatures.
- Periodically check connections for looseness, especially after driving on rough terrain.
6. Troubleshooting
- No Audio/Video Output:
- Check all RCA connections to ensure they are securely plugged into the correct input/output ports on both the adapter and the external device.
- Verify that the car stereo is set to the appropriate input source.
- Ensure external amplifiers are powered on and functioning correctly.
- Intermittent Audio/Video:
- Inspect all connections for looseness.
- Check for any visible damage to the cable or connectors.
- Ensure proper grounding for all connected components, especially amplifiers.
- Humming or Static Noise:
- This can often be caused by a ground loop. Ensure all components are properly grounded.
- Check for any power cables running too close to audio signal cables, which can induce noise.
- Rear View Camera Not Activating:
- Ensure the camera's video output is connected to the 'REAR VIEW CAMERA IN' RCA.
- Verify that the camera's power and trigger wires are correctly connected according to the camera's instructions.
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | Car Stereo Radio Adapter Cable |
| Item Type | Cables, Adapters & Sockets |
| Special Features | Car Stereo Radio Adapter Cable |
| Function | 24-pin plug for RCA output and input |
| Scope of Application | Connection with mobile phones, computers, MP3, tablet, DVD, stereo, amplifier, etc. |
| Line Length | Approximately 30 cm (11.81 inches) |
| Material | Pure copper, PVC |
| Cover Material | PVC |
| Voltage | 12 V |
| Item Weight | 60g |
8. User Tips
- Verify Pin Assignments: While this is a universal 24-pin adapter for listed models, always double-check your car stereo's manual for specific pin assignments if you encounter unexpected behavior.
- Secure Cables: After installation, ensure all cables are securely fastened and not loose. This prevents rattling noises from vibrations and potential damage over time.
- Test Before Reassembly: It is highly recommended to test all audio and video functions thoroughly before fully reassembling your vehicle's dashboard or interior panels. This saves time and effort if adjustments are needed.
- Professional Installation: If you are unfamiliar with car audio wiring, consider professional installation to ensure correct and safe setup.
9. Support
For any questions or issues regarding the installation or functionality of this adapter cable, please contact the seller or your car audio specialist for assistance.





