Description
Window switch for Citroën C4 II B7, DS4 – Driver’s door
Controls front windows and mirrors
Color HZD – Black Mistral
Fully functional – shows signs of use
Overview
High-quality used driver-side window and mirror control switch designed for Citroën C4 II (B7) and DS4 models. This unit operates the front power windows and mirror adjustment on the driver’s door, offering the original ergonomics and button layout familiar to technicians and DIY enthusiasts. Ideal as a direct replacement for faulty original switches where wear, sticky buttons or intermittent electrical contacts affect operation.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C4 II (B7), DS4 — Driver Door
- Product Codes: 96669830ZD, 6490JX
- Other Numbers: Not Provided
Function And Fitment
This switch controls the front left and right window motors from the driver’s position and includes mirror adjustment functions. It fits the driver-side door trim of Citroën C4 II (B7) and DS4 models that use the referenced product codes. The unit is supplied in Black Mistral finish to match original interiors.
Replacement Procedure
Basic replacement steps (typical for Citroën/Peugeot door trims):
- Prepare Tools: Trim removal tool, Torx or Phillips screwdriver set, small flat tool for clips.
- Safety First: Disconnect the negative battery terminal before starting to avoid short circuits and accidental airbag deployment.
- Remove Door Trim: Carefully pry off the door handle trim and remove screws holding the door card. Release plastic clips with a trim tool to avoid damage.
- Access Switch: Once the door card is loose, lift it slightly to access the switch wiring harness on the inside of the door.
- Disconnect Connector: Unplug the electrical connector from the switch. Note connector orientation for reassembly.
- Replace Switch: Remove retaining clips or screws securing the switch in the trim, replace with the new unit, secure it and reconnect the harness.
- Test Before Reassembly: Reconnect the battery, test all window and mirror functions, then reassemble the door trim if everything works correctly.
Installation Recommendations
Install with care to avoid damaging door clips and wiring. Always disconnect the battery before disconnecting the switch harness. Test the switch functions (all windows and mirror adjustment) before closing the door panel. If the window motors or central wiring show intermittent faults, check for damaged connectors or wiring harness chafe before replacing the switch alone.
Why This Part Usually Fails
Common failure causes include worn internal contacts from frequent use, contamination from moisture or spilled liquids, broken plastic mounting tabs from forceful removal, and connector corrosion. Symptoms typically include intermittent operation, sticky or unresponsive buttons, or loss of mirror adjustment. Replacing the switch generally restores full functionality when the issue is limited to the control unit itself.
Who Should Buy This
Suitable for professional mechanics, auto electricians and skilled DIYers looking for an OEM-fit replacement switch for Citroën C4 II (B7) and DS4 driver doors. Useful when troubleshooting power window or mirror faults where the switch is suspected to be the root cause.
