1. Introduction
This manual provides detailed instructions for the installation and proper use of the alphakey PSA-RZ-15/65 Wiring Harness and Canbus Box. This product is designed to facilitate the installation of aftermarket Chinese or Aikon Standard multimedia systems in compatible Citroën and Peugeot vehicles, ensuring correct electrical connections and maintaining vehicle functionality.
Important Note: This harness is NOT suitable for Pioneer, original factory radios, or other original multimedia centers. It is specifically designed for Chinese or Aikon Standard aftermarket multimedia units.
2. Product Components
The package includes the following items:
- 1x Wiring Harness
- 1x Canbus Box (Model: PSA-RZ-15)
- 1x Aerial Adapter

Figure 1: Complete wiring harness kit including Canbus box, main harness, and aerial adapter.

Figure 2: Close-up view of the wiring harness connector and Canbus box.
3. Compatibility
This wiring harness and Canbus box are compatible with the following vehicle models when installing a Chinese or Aikon Standard aftermarket multimedia system:
- Citroën C3
- Citroën C4
- Citroën C4 Pallas
- Citroën C4 Lounge
- Citroën C4 Cactus
- Citroën C5
- Citroën C4 C-triunfo C-Quatre (2004-2014)
- Peugeot 508 (2011-2017)
Before installation, please confirm the specific year and model of your vehicle and the brand of your aftermarket multimedia unit to ensure full compatibility.
4. Setup and Installation
The wiring harness is designed for a plug-and-play installation, minimizing the need for cutting or splicing wires. This ensures a safe connection between your new multimedia system and the vehicle's electrical system, preventing damage from incorrect wiring.
Installation Steps:
- Disconnect Vehicle Battery: Before beginning any electrical work, disconnect the negative terminal of your vehicle's battery to prevent short circuits or electrical damage.
- Remove Original Radio/Multimedia Unit: Carefully remove the existing radio or multimedia unit from your vehicle's dashboard. Refer to your vehicle's service manual for specific removal instructions.
- Connect Canbus Box: Connect the Canbus box (PSA-RZ-15) to the main wiring harness. Ensure the connection is secure.
- Connect Wiring Harness to Vehicle: Plug the vehicle-specific connector of the new wiring harness into the corresponding port in your car's dashboard.
- Connect Wiring Harness to Aftermarket Multimedia: Connect the other end of the wiring harness to your Chinese or Aikon Standard aftermarket multimedia unit. Ensure all connections are firm.
- Connect Aerial Adapter: Attach the aerial adapter to your new multimedia unit and the vehicle's antenna cable.
- Test Connections: Before fully reassembling the dashboard, reconnect the vehicle battery and briefly test the multimedia system's basic functions (power, audio, steering wheel controls if applicable).
- Secure and Reassemble: Once satisfied with the connections and functionality, carefully route the cables, secure the multimedia unit, and reassemble your vehicle's dashboard.
Warning: Incorrect installation can lead to electrical damage to your vehicle or multimedia unit. If you are unsure about any step, it is highly recommended to seek professional installation.
5. Operating Principles
Once correctly installed, the wiring harness and Canbus box enable the following functionalities for your aftermarket multimedia system:
- Sound Quality: Helps maintain the original sound quality of your car's audio system.
- System Integration: Integrates the aftermarket multimedia unit with the vehicle's existing audio system and, where supported, steering wheel controls.
- Vehicle Integrity: Preserves the originality and warranty of your vehicle by providing a non-invasive connection solution.
6. Maintenance
This wiring harness and Canbus box are designed to be maintenance-free. Ensure all connections remain secure and free from moisture or physical damage. Periodically check for any loose connections if you experience intermittent issues with your multimedia system.
7. Troubleshooting
If you encounter issues after installation, consider the following:
- No Power to Multimedia Unit:
- Check all connections to ensure they are fully seated.
- Verify the vehicle's fuse box for any blown fuses related to the radio or accessory power.
- Ensure the vehicle battery is properly reconnected.
- No Sound or Poor Sound Quality:
- Confirm all speaker wires are correctly connected to the multimedia unit.
- Check the aerial adapter connection for secure fitment.
- Steering Wheel Controls Not Working:
- Ensure your aftermarket multimedia unit supports steering wheel control integration via Canbus.
- Verify the Canbus box is correctly connected and functioning.
- Some multimedia units may require software configuration for steering wheel controls.
For complex issues or if troubleshooting steps do not resolve the problem, professional assistance is recommended.
8. Specifications
| Feature | Detail |
|---|---|
| Brand Name | alphakey |
| Model | PSA-RZ-15/65 (Canbus Box: PSA-RZ-15) |
| Item Type | Cables, Adapters & Sockets |
| Origin | Mainland China |
| Canbus Brand | Raise RZC |
| Package Length | 15 cm |
| Package Width | 10 cm |
| Package Height | 6 cm |
| Package Weight | 0.13 kg |
9. User Tips
- Verify Compatibility: Always double-check the compatibility list against your specific vehicle model and year before purchasing and installing. For example, ensure it works for models like the Citroen Cactus 2016 if your vehicle is that specific model.
- Inform Seller: It is recommended to inform the seller about the brand of your aftermarket multimedia unit when making a purchase, as this harness is specifically designed for Chinese or Aikon Standard units.
- Professional Installation: If you are not experienced with car audio installations, consider professional installation to avoid potential damage and ensure optimal performance.
10. Warranty and Support
For any questions regarding product functionality, installation, or warranty claims, please contact the seller or manufacturer directly. Keep your purchase records for reference.





