Description
Rear right lamp socket for Citroën C4 Grand Picasso with a piece of wiring.
High-quality replacement rear right lamp socket designed for Citroën C4 Grand Picasso vehicles. This lamp socket (often searched under part number 6351AC) includes a short length of wiring (pigtail) for easier installation and reliable electrical contact. Ideal for professional mechanics and DIY enthusiasts who need a fast, durable repair for a faulty tail light connection. The part restores correct bulb seating and electrical continuity, reducing flicker and intermittent lighting faults caused by worn or corroded sockets.
Features and Benefits
– Direct-fit replacement for the rear right tail lamp socket; reduces repair time thanks to included wiring pigtail.
– Restores secure bulb retention and solid electrical contact to eliminate flicker and intermittent operation.
– Suitable for workshop use and home repairs; simple to carry and store as a common spare part.
– Commonly referenced by product code 6351AC, increasing findability in parts searches.
Technical Information
- Manufacturer: Stellantis (Citroën)
- Model: Citroën C4 Grand Picasso
- Product Codes: 6351AC
- Additional Numbers: Not Available
Installation Recommendations
Follow these practical steps to replace the rear right lamp socket safely and efficiently:
- Park Vehicle Safely: Ensure the vehicle is parked on a level surface and the ignition is off.
- Disconnect Battery: For basic electrical safety, disconnect the negative battery terminal before working on the tail lamp circuit.
- Access Lamp Assembly: Open the tailgate and remove any trim or fasteners securing the tail lamp housing. Carefully remove the lamp cluster from the body to access the bulb holder.
- Remove Old Socket: Twist or unclip the existing bulb socket from the lamp cluster, unplugting it from the wiring harness. If wiring is damaged, cut back to healthy insulation and prepare wires for the new pigtail.
- Fit New Socket: Install the new socket into the lamp cluster and connect the supplied pigtail to the vehicle wiring using secure crimps or solder and heatshrink. Ensure correct polarity and solid mechanical joints.
- Seal and Test: Apply a small amount of dielectric grease to contacts to help prevent corrosion. Refit the lamp assembly, reconnect the battery, and test all lamp functions (stop, tail, indicator, reverse if applicable) before final assembly.
- Torque and Reassembly: Tighten lamp fasteners to manufacturer recommendations and refit interior trim panels.
Why This Part Fails Most Often
Understanding failure modes helps prevent repeat repairs:
- Corrosion From Moisture: Water ingress into the lamp housing causes terminal corrosion and poor electrical contact.
- Heat Damage: Overheating from high-wattage bulbs or poor contacts can melt plastic sockets or deform terminals.
- Mechanical Wear: Repeated bulb changes or impact to the lamp assembly can crack or break the socket housing.
- Poor Electrical Contact: Oxidation or loosened terminals lead to intermittent lighting or flicker.
- Aging Plastic: UV exposure and thermal cycling make the socket brittle, increasing the risk of fracture.
Replacing the socket with an intact unit and ensuring a watertight lamp seal will typically restore reliable lighting performance and reduce the chance of repeat faults.
