Description
Hazard Warning Light Switch for Citroën Berlingo II and Peugeot Partner II
This hazard warning light switch is a direct-fit control designed for Citroën Berlingo II and Peugeot Partner II models. Commonly searched by part numbers 9644845777 and 6554V6, the switch provides reliable activation of the vehicle’s hazard lights and is ideal for professional workshops and DIY mechanics looking for a straightforward replacement part. Its compact design matches the original dashboard mounting and tactile feedback expected from OEM-style switches, ensuring predictable operation when signaling emergencies or stationary hazard situations.
Features
– Direct-fit replacement for dashboard hazard switch assembly.
– OEM part number compatibility: 9644845777, 6554V6.
– Simple electrical connection via original plug-in connector.
– Durable construction with tactile on/off action for clear user feedback.
– Suitable for professional auto repair shops and experienced DIY installers.
Technical Information
- Manufacturer: Stellantis
- Model: Citroën Berlingo II; Peugeot Partner II
- Product Codes: 9644845777
- Other Numbers: 6554V6
Function
The switch activates the vehicle’s hazard lighting function, commanding all turn indicators to flash simultaneously. On compatible vehicles the switch sends an activation signal to the vehicle’s lighting control module or flasher circuit, enabling the hazard sequence. It is a user-operated electrical switch intended to provide immediate visual warning to other road users.
Fitment And Replacement
Typical fitment covers Citroën Berlingo II and Peugeot Partner II model ranges where the dash layout matches the original switch location. Replacement is usually straightforward: remove the surrounding trim panel, unclip the switch from its mounting, disconnect the electrical connector and fit the new unit by reversing the steps. Reassemble trim and test the hazard function before finishing.
Installation Recommendations
– Disconnect the vehicle battery before starting work to avoid short circuits and accidental airbag deployment when removing trim.
– Use plastic trim removal tools to avoid damaging the dash finish.
– Inspect wiring connector and terminal pins for corrosion or damage and clean contacts if necessary.
– After installation, verify hazard function with ignition on and check associated fuses if the circuit does not operate.
– Recommended Tools: Trim removal tools, basic screwdriver set, multimeter for quick continuity checks.
– Estimated Time: 15–30 minutes for an experienced technician, longer if trim removal is complex.
Why It Fails
Failure is most commonly caused by wear of the internal contacts due to frequent use, contamination or corrosion of electrical terminals, mechanical damage to the switch housing or mounting clips, and moisture ingress. Faulty wiring or blown fuses in the associated circuit can also mimic a failed switch, so always verify the electrical supply and ground before replacing the switch.
Notes For Professionals
This part is supplied as a direct replacement switch. When troubleshooting hazard light faults, check bulbs and flasher circuitry as well as the switch itself. Recording the vehicle’s symptoms and verifying against wiring diagrams for Berlingo II / Partner II will speed diagnosis.
