Description
Window switch for Citroën C4 first generation. Controls the front windows and mirrors.
This replacement power window and mirror control is an OEM-fit style switch commonly referenced under part numbers 9651464277 and 6554HE. Designed for mechanics and experienced DIYers, the unit provides direct replacement of the driver’s door master switch assembly to restore reliable operation of the front power windows and mirror adjustment. Frequently searched by its product codes, this switch is a practical solution when buttons stick, contacts fail, or mirror adjustment stops responding.
Technical Information
- Manufacturer: Stellantis (Citroën)
- Model: Citroën C4 (First Generation, 2004–2010)
- Product Codes: 9651464277, 6554HE
- Other Numbers: 6554.HE
Compatibility And Function
The switch controls the front left/right power windows and the electric mirror adjustment function on the driver’s door. It is intended as a direct replacement for the original master switch; wiring and connector layouts follow the OEM specification for compatible Citroën C4 first‑generation vehicles. Customers commonly find this part by searching the above product codes.
Installation Recommendations
- Safety First: Disconnect the vehicle battery before beginning work to avoid short circuits and electrical damage.
- Remove Door Trim: Use appropriate trim tools to carefully remove the inner door panel and access screws or clips securing the switch bezel.
- Disconnect Wiring: Unclip the switch trim, remove mounting screws, and unplug the multi‑pin connector from the old switch.
- Fit New Switch: Plug the connector into the replacement switch, secure it with the original fasteners and refit the door trim.
- Function Test: Reconnect the battery and verify all window and mirror functions operate correctly before final reassembly.
Most Common Failure Reasons
Power window switches are subject to heavy daily use, which leads to wear of internal electrical contacts and plastic mechanisms. Typical failure modes include worn or pitted contacts causing intermittent operation, moisture ingress from a damaged door seal, broken mounting tabs from forced removal, and carbon build‑up on contacts. Mirror adjustment failures are often caused by the same internal contact degradation or connector corrosion.
Practical Advice For Repairers
When replacing the switch, inspect door wiring and connector pins for corrosion or damage—clean contacts if necessary and replace the connector if pins are deformed. Avoid prying on plastic clips and use proper trim tools to reduce the risk of breaking the panel. If mirror motors or window regulators are also intermittent, check them separately as the switch only controls the command side of the system.
