Description
Bulb holder for the rear left lamp in the wing for Citroën C4 Picasso vehicles. Comes with a short piece of wiring. Driver side.
Direct-fit rear left tail light bulb holder designed for Citroën C4 Picasso models. Supplied with a short pigtail, this socket replaces worn or damaged holders that cause intermittent lighting, poor contact, or complete failure of the tail/stop/indicator lamps. Ideal for professional workshops and DIY mechanics who need a reliable OE-referenced replacement part — commonly searched by product numbers 9653547580 and 6350CA.
Technical Information
- Manufacturer: Stellantis (Citroën/Peugeot)
- Model: Citroën C4 Picasso, Citroën C4 Grand Picasso
- Product Codes: 9653547580, 6350CA
- Additional Numbers: N/A
Features & Benefits
- OE-referenced fit — designed to match original mounting points and connector layout.
- Supplied with pigtail wiring for easier installation and reliable electrical contact.
- Restores secure bulb seating and correct electrical connection to eliminate flicker and contact resistance.
- Suitable for use by professional technicians and skilled DIYers.
Installation Recommendations
- Always disconnect the vehicle battery before starting any electrical work to avoid short circuits.
- Access the rear lamp from inside the luggage compartment or by removing the inner wheel arch liner, depending on body style and assembly layout.
- Remove fasteners securing the lamp cluster, gently pull the cluster out to reach the bulb holder, or access the holder via the service opening if available.
- Unplug the original connector, release any retaining clips or tabs, and remove the old holder. Replace with the new holder and ensure it locks into the lamp housing securely.
- Apply a thin layer of dielectric grease to the contacts to reduce corrosion and improve long-term conductivity.
- Check that wiring is routed clear of moving parts and sharp edges, then test all lamp functions (tail, brake, indicator, reverse if applicable) before reassembling trim panels.
- If unsure about access or electrical testing, follow the vehicle manufacturer’s workshop manual procedure for lamp removal.
Why This Part Fails
- Corrosion from moisture ingress is the most common cause — water or condensation inside the lamp causes oxide buildup on contacts.
- Heat cycling and repeated bulb replacements can crack plastic retaining tabs or deform contact springs, leading to poor electrical contact.
- Vibration and mechanical stress from road conditions can fatigue solder joints or wiring, causing intermittent faults.
- Damaged wiring or connector pins from previous repairs or rough handling during bulb change can also lead to failure.
This bulb holder is a practical, cost-effective repair for restoring reliable rear lamp function on Citroën C4 Picasso vehicles. Use the referenced product codes (9653547580, 6350CA) when searching or ordering to ensure correct fitment.
