Description
CD Car Radio Blaupunkt RD4 T5 N2. The Radio Must Be Registered To The Vehicle Using Diagnostic Equipment. It Has 2 Antenna Inputs.
Replace your factory radio with this Blaupunkt RD4 T5 N2 unit — a direct-fit OEM-style head unit commonly found in Citroën C8 and Peugeot 807 models. This radio supports CD playback and retains the original dashboard appearance and mounting points, making it a practical choice for professional garages and experienced DIY enthusiasts. Many technicians and owners search for this unit by its product numbers, so the listing includes all common reference codes to simplify finding the correct replacement.
Technical Information
- Manufacturer: Blaupunkt
- Model: RD4 T5 N2
- Product Codes: 9659140077, 6564QT, 6564QV, 6579PS
- Other Numbers: RD4; T5; N2
Installation Recommendations
Before starting any work, Disconnect The Negative Battery Terminal. Remove Trim Panels Carefully To Access The Radio Cage. Unscrew The Unit And Disconnect All Wiring Harnesses And Antenna Connectors. Inspect Wiring And Connectors For Corrosion Or Bent Pins. Fit The Replacement Unit Securely, Reconnect Antennas And Power, And Reinstall Trim. After Mechanical Installation, The Radio Must Be Coded/Registered To The Vehicle With A Diagnostic Tool To Restore Full Functionality (Security Coding And Retained Settings). Verify Relevant Fuses And Vehicle Grounds If The Unit Does Not Power Up.
Why This Part Most Often Fails
- Wear In The CD Mechanism Causing Read Errors Or Failure
- Internal Component Age (Capacitors, Solder Joints) Leading To Power Or Audio Loss
- Water Ingress Or Moisture Damage From Leaks Around The Dashboard
- Corroded Or Damaged Connector Pins Resulting In Intermittent Power Or Speaker Output
- Faulty Antenna Connections Affecting Reception — Two Antenna Inputs Can Mask A Single Fault During Diagnostics
- Security Locking And Coding Issues After Battery Disconnect Or Unit Replacement
Notes For Technicians And DIY Enthusiasts
This unit Is Frequently Searched Under The Product Codes Listed Above, So Confirm The Part Number Matches The Vehicle Requirement Before Installation. Retaining Vehicle Functions Such As Steering Wheel Controls, Phone Integration, And Display Messages May Require Proper Coding Using The Manufacturer Diagnostic Interface. When Replacing The Radio, Check Antenna Leads And Grounds To Ensure Reliable Reception, And Test All Functions After Coding To Confirm Correct Operation.
