Description
Third Brake Light For PEUGEOT 207
The Center High-Mounted Stop Lamp (CHMSL) designed for Peugeot 207 models, offered under OEM references 9649986880 and 6350Y2. Ideal for professional workshops and experienced DIY mechanics searching by product code or part number. This high-mounted brake lamp restores rear visibility and legal compliance after damage, electrical failure, or water ingress. Compatible with standard Peugeot 207 body variants and delivers a direct-fit replacement when the correct part code is used.
Technical Information
- Manufacturer: Stellantis / Peugeot
- Model: Peugeot 207
- Product Codes: 9649986880, 6350Y2
- Additional Numbers: Not Available
Fitment
Fits Peugeot 207 range (common body styles: Hatchback 3‑door and 5‑door, SW estate, Coupe‑Cabriolet). Typically used across standard 207 model years; always confirm the part code 9649986880 or 6350Y2 for exact application before installation.
Function
The third brake light (CHMSL) provides a central, elevated brake signal to improve visibility to following traffic, reducing the risk of rear-end collisions. It works alongside the main rear brake lamps and is wired into the vehicle’s brake light circuit; depending on the vehicle variant it may use LED or incandescent lamp technology.
Replacement Procedure
- Prepare The Vehicle: Park on a level surface and engage the parking brake. Disconnect the negative battery terminal to avoid short circuits while working on the lighting circuit.
- Access The Lamp: Open The Tailgate/Boot And Remove Any Interior Trim Panels Or Retainers Covering The Lamp Housing. Retain Fasteners For Reassembly.
- Disconnect The Connector: Carefully Unplug The Wiring Harness From The Lamp. Inspect The Connector For Corrosion Or Bent Pins.
- Remove The Old Unit: Unscrew Or Unclip The Lamp Housing From Its Mounting Points And Remove The Unit From The Vehicle.
- Install The Replacement: Position The New Third Brake Light, Secure Fasteners Evenly, And Reconnect The Wiring Harness.
- Test Operation: Reconnect The Battery, Have An Assistant Depress The Brake Pedal, And Verify That The Third Brake Light Illuminates Correctly.
- Reassemble Trim: Replace Any Interior Panels Or Trims And Ensure All Clips And Screws Are Properly Secured.
Installation Recommendations
- Always Disconnect The Battery Before Starting Work To Prevent Electrical Damage.
- Inspect Wiring And Connectors For Damage Or Corrosion; Clean Or Repair As Needed To Ensure Reliable Operation.
- Seal Any Gaps Or Damaged Seals To Prevent Water Ingress Which Can Cause Premature Failure.
- Use The Correct Fasteners And Avoid Over‑Tightening To Prevent Cracking The Lens Or Housing.
- After Installation, Verify Proper Function With The Brake Pedal Depressed And By Performing A Road Check If Possible.
Why The Part Fails Most Often
- Water Ingress: Damaged Seals Or Cracked Lens Allow Moisture To Enter The Housing, Causing Bulb Or Circuit Failure.
- Electrical Problems: Corroded Connectors, Broken Wires Or Faulty Sockets Lead To Intermittent Or Permanent Loss Of Function.
- Impact Damage: Rear Collisions Or Heavy Loads Can Crack The Lens Or Break Mounting Points.
- Bulb Or LED Degradation: Conventional Bulbs Burn Out Over Time; LEDs Can Fail Due To Thermal Stress Or Internal Driver Faults.
- Poor Previous Installation: Incorrect Mounting Or Damaged Clips During Prior Repairs Can Lead To Moisture Entry And Mechanical Stress.
Notes
This part is frequently searched by OEM codes 9649986880 and 6350Y2. Suitable For Both Professional Repair Shops And Experienced DIY Enthusiasts Looking For A Direct Replacement For Peugeot 207 Third Brake Light.
