Description
Power Window Switch CITROËN C4 II B7, DS4 – Passenger Door. Fully functional – shows signs of use. Color HZD- – BLACK MISTRAL.
Upgrade or replace the passenger door power window switch on your Citroën C4 II or DS4 with a direct-fit used unit. Designed for professionals and experienced DIYers, this switch restores reliable window control, improves cabin convenience and eliminates intermittent operation caused by worn contacts. The part is commonly searched by product numbers, so keep 96657056ZD and 6490JY handy when ordering or searching in catalogs.
Technical Information
- Manufacturer: Stellantis (Citroën/Peugeot)
- Model: Citroën C4 II B7, DS4
- Product Codes: 96657056ZD, 6490JY
- Other Numbers: HZD- (Color Code) – Black Mistral
Function And Application
This module controls the passenger side electric window motor, providing up/down commands and integrating with the vehicle’s comfort and safety features. It is a direct replacement for the original switch on the passenger door of compatible Citroën C4 II B7 and DS4 models. Ideal for restoring correct window operation, eliminating stuck or intermittent movement, and improving user experience.
How To Replace
- Prepare Tools: Plastic trim pry tools, Torx/screwdriver set, and gloves.
- Safety First: Disconnect the vehicle battery before starting work to prevent short circuits or accidental airbag deployment.
- Remove Door Trim: Carefully pry off the door trim or armrest cover to access the switch module retaining screws or clips.
- Disconnect Electrical Connector: Unclip the wiring harness connector from the switch. Inspect connector for corrosion or bent pins.
- Remove Old Switch: Release retaining clips or screws and extract the switch from the trim panel.
- Install New Switch: Fit the replacement switch into the panel, secure clips/screws and reconnect the wiring harness.
- Test Operation: Reconnect the battery and verify full up/down travel and switch illumination before reassembling the trim.
- Reassemble Door Trim: Snap or screw the trim back into place, ensuring all clips are seated correctly.
Recommended Installation
Perform installation in a dry, well-lit environment. Use plastic trim tools to avoid damaging panels. Always disconnect the negative battery terminal before removing electrical components. Inspect wiring and connector pins for corrosion or damage and clean contacts if necessary. If the switch illumination or multiple functions rely on vehicle comfort modules, confirm basic electrical integrity after installation.
Most Common Failure Reasons
- Wear And Contact Degradation: Frequent use causes mechanical wear and pitting on internal contacts, leading to intermittent or failed operation.
- Moisture And Dirt Ingress: Water, dust and grime can corrode contacts or obstruct mechanical parts inside the switch.
- Connector Or Wiring Issues: Damaged pins, loose connectors or broken wiring to the door module can mimic switch failure.
- Switch Housing Damage: Physical impact or deforming of the switch housing causes poor engagement and unreliable function.
- Age And Usage: Long-term use without maintenance accelerates electrical wear—typical lifetime varies with usage and environment.
This is a used, fully functional part showing signs of wear consistent with normal service. Suited for mechanics and experienced DIY enthusiasts looking for a reliable replacement switch for Citroën C4 II and DS4 passenger doors.
