Description
BSM L04-00 Delphi for Citroën and Peugeot vehicles. Used part with guaranteed functionality. Some mounting tabs may be damaged — this does not affect functionality.
This BSM (Engine Bay Fuse Box) L04-00 manufactured by Delphi is a direct-fit used unit for selected Citroën and Peugeot models. It houses fuses, relays and essential power distribution circuits for engine and body systems, helping manage circuits such as lighting, wipers, starter supply and certain comfort functions. The unit is supplied as a tested used part and is commonly searched by reference numbers like 9659741880 or 6500CK.
Technical Information
- Manufacturer: Delphi
- Model: Citroën C4; Peugeot 307
- Product Codes: 9659741880, 6500CK
- Additional Numbers: BSM L04-00
Installation Recommendations
Replacement is suitable for professional workshops and experienced DIYers. Typical replacement steps:
- Disconnect The Battery Before Starting To Avoid Short Circuits And Protect Sensitive Electronics.
- Remove Any Protective Covers Or Engine Bay Trim To Access The BSM Housing.
- Carefully Unplug Electrical Connectors Using Proper Release Clips; Note Their Positions.
- Remove Mounting Screws/Clips And Take Out The Unit. Transfer Any Fuses Or Relays If Required.
- Install The Replacement Unit, Reconnect All Plugs And Fasten Mountings Securely. Reconnect The Battery And Verify All Systems.
After Installation, Check Lighting, Wipers, Central Locking And Engine Starting Circuits. If Any Function Does Not Operate Correctly, Inspect Connector Contacts And Fuses. In Rare Cases, Additional Diagnostics May Be Required To Identify Related Wiring Or Relay Faults.
Common Failure Reasons
- Water Ingress And Corrosion In The Engine Bay Leading To Corroded Contacts Or Traces.
- Electrical Overload Or Short Circuits Causing Damaged Relays Or Printed Circuit Traces.
- Age-Related Wear Of Connectors And Solder Joints Resulting In Intermittent Faults.
- Mechanical Damage To Mounting Tabs (Often Cosmetic) From Previous Repairs Or Removal — Does Not Necessarily Affect Electrical Function.
Buying Tip: Searchable product numbers such as 9659741880 and 6500CK are frequently used to find the correct BSM. The part is offered as a used unit with functional guarantee — inspect connector condition and mounting points on receipt and test basic vehicle functions immediately after fitting.
