Description
Overhead dome light for Citroën, Peugeot and DS vehicles. Color FBJ – LAMA
This ceiling dome lamp is a direct-fit interior lighting unit designed for Citroën, Peugeot and DS models. Supplied with OE reference numbers commonly searched by mechanics and DIY enthusiasts, it restores cabin illumination, map lights and courtesy lighting functionality. The unit is ideal for workshops and home repairs when a faulty roof lamp causes intermittent lighting, burned-out LEDs/bulbs or broken switches. Compatible with a range of Stellantis vehicles and built to match original interior trim color FBJ (Lama), it provides a clean replacement that keeps the factory look and operation.
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: C4 Grand Picasso, C4 II, DS4, Peugeot 508 (and related Stellantis platforms)
- Product Codes: 96781446BJ, 96727263BJ, 6362AY, 6362AZ
- Other Numbers: Cross-references may exist under similar OE ranges for interior lamps
Function And Purpose
The roof dome light provides general cabin illumination and often integrates map reading lights, ambient lighting and the manual on/off or door-activated switching. It also houses switches and the electrical connector that communicates with the vehicle’s interior lighting circuit.
How To Replace
Replacement is straightforward for experienced mechanics and competent DIYers. Typical steps:
- Disconnect the negative battery terminal to avoid short circuits and accidental operation.
- Use plastic trim tools to gently unclip the existing lamp bezel from the headliner to avoid damaging trim or clips.
- Disconnect the wiring harness connector and remove any mounting screws or clips holding the unit.
- Fit the new unit, reconnect the wiring harness, test all light functions (door, manual, map lights) before reassembling trim.
- Reinstall the trim and reconnect the battery.
Installation Recommendations
Always work on a cool vehicle and keep plastic trim tools to prevent scratches. Inspect the wiring connector for corrosion or bent terminals before installing the new lamp. If fitted with LEDs, verify polarity where applicable and test door-activated functions after installation. For best results, check fuse continuity and door switch operation if the new unit still shows faults.
Why This Part Commonly Fails
- Burned-Out Bulbs Or Failed LEDs: Over time bulbs burn out or individual LEDs fail, causing reduced or no light output.
- Faulty Switch Mechanism: Repeated use can wear internal switches, leading to intermittent or non-functional on/off control.
- Connector Or Wiring Issues: Corrosion, poor contacts or damaged wiring can interrupt power to the unit.
- Physical Damage: Trim removal or impact can break plastic clips or the lamp housing, necessitating replacement.
- Water Ingress: Leaks from sunroofs or seals can corrode contacts and damage LEDs or electronics.
Compatibility And Fitment Notes
This lamp is offered under the OE references listed above and fits a number of Stellantis models including Citroën C4 Grand Picasso, C4 II, DS4 and Peugeot 508 variants. Verify OE part numbers when ordering to ensure correct color and connector version for your vehicle.
Additional Tips
Keep the original unit until new lamp operation is confirmed. When possible, compare connector pinout and mounting points before final installation. If interior lighting issues persist after replacement, inspect fuses, door switches and the vehicle’s body control module for faults.
