Description
Window Switch For CITROËN C4 II B7, DS4 – Front Passenger Door. Fully Functional – Shows Signs Of Use. Color HZD – Black Mistral.
Product Overview
High-quality used power window switch designed for Citroën C4 II (B7) and DS4 models, intended for the front passenger door. Frequently searched by part numbers 96657056ZD and 6490JY, this switch is a direct-fit replacement for vehicles equipped with the corresponding factory wiring and connectors. Suitable for professional mechanics and experienced DIY enthusiasts looking to restore reliable window control.
Function And Common Use
The unit controls the electric window motor for the front passenger door, providing up/down operation and mechanical feedback through tactile buttons. It transfers driver or passenger input to the window regulator via the door wiring harness. Correct operation ensures smooth window movement and reliable position control.
How To Replace
- Disconnect the vehicle battery before starting work to avoid short circuits and to protect onboard electronics.
- Remove the interior door trim/panel, taking care with retaining clips and trim fasteners.
- Unplug the electrical connector from the existing switch and remove any securing screws or clips.
- Install the replacement switch, reconnect the electrical plug and reassemble the door trim in reverse order.
- Reconnect the battery and test the window operation immediately to confirm proper function.
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: Citroën C4 II (B7), DS4
- Product Codes: 96657056ZD, 6490JY
- Additional Numbers: 96657056ZD, 6490JY
Installation Recommendation
Install the part in a dry, clean workspace with basic hand tools. Ensure connectors are free of corrosion and that wiring insulation is intact before reassembly. When removing door trims, use proper trim tools to avoid breaking clips. After installation, operate the window several times to verify smooth travel and correct switch response.
Why The Part Most Commonly Fails
Power window switches typically fail due to long-term mechanical wear of internal contacts, ingress of moisture or dirt, and intermittent electrical contact caused by oxidation. Frequent use over many years and exposure to humid environments accelerates degradation. Faulty door wiring or poor connections can also create symptoms that appear to be switch failure.
Who Should Fit This Part
Recommended for professional auto technicians and competent DIYers comfortable with door disassembly and basic electrical checks. If you are unsure about safe removal of door trim or electrical testing, seek assistance from a trained mechanic.
Fitment And Compatibility
Directly compatible with Citroën C4 II (B7) and DS4 front passenger doors where the original part numbers 96657056ZD or 6490JY are specified. Always compare the physical connector and mounting arrangement with the original switch to confirm fitment.
