Steering wheel button control adapter for Citroen / Fiat / Opel ACV SWC 42A-1094-026-0

Steering Wheel Control Adapter for Citroen / Fiat / Opel ACV SWC 42A-1094-026-0

Retain the original radio control functions from the steering wheel when replacing the original radio with an aftermarket unit. Depending on the vehicle's features, the range of functions, and the software of the newly installed radio, some functions may be limited or replaced by others. Compare the displayed connectors with the connectors in your vehicle and ensure they match both technically and visually. Check if any of the listed OEM radios were originally installed. Verify the functionality of the vehicle, system settings, and correct operation of steering wheel control (SWC) before final installation.

Intended for the following vehicles

• Citroen Jumper (250) (07/2024 -> 2025) - original OEM radio.
• Citroen e-Jumper (259) (07/2024 -> 2025) - original OEM radio.
• Citroen Relay (250) (2024 -> 2025) - original OEM radio.

• Fiat Ducato (ZAF 250) (11/2021 -> 11/2023) - original OEM radio.
• Fiat Ducato (ZAF 250) (11/2023 -> 2025) - original OEM radio.
• Fiat e-Ducato (ZAF 250) (04/2021 -> 03/2024) - original OEM radio.
• Fiat e-Ducato (ZAF 250) (03/2024 -> 2025) - original OEM radio.

• Opel Movano Cargo C (Y) (01/2024 -> 2025) - original OEM radio.
• Opel Movano Electric Cargo C (Y) (01/2024 -> 2025) - original OEM radio.

Technical Information

• Analog design.
• Connector: ISO / Mini ISO.
• Connector: 6 Pin Fiat T-Harness > telephone.
• Connector: Connection to fuse box > speed impulse / reverse signal (according to manual).
• Support for vehicles with open dashboard.
• Support for vehicles with an inductive charger > telephone function supported.

Steering Wheel Control (SWC)

• 6 SWC control functions on the rear side of the steering wheel.
• Connection to fuse box:
  • Green wire: speed signal (black 60-pin connector, Pin 22).
  • Orange wire: reverse signal +12V (green 60-pin connector, Pin 17).

Diagnostic LED Indication

• Blue light: interface active, +12V power present when ignition is on.
• Red light: steering wheel button function recognized.

Important Additional Information

• Intended for aftermarket radios Sony, Kenwood, Panasonic, JVC, Pioneer, Blaupunkt, Clarion, Alpine, LG, Zenec, Becker.
• To fully activate the adapter, an interconnecting cable for the specific radio brand must be ordered.

General Installation Guidelines

Verification before installation:

1. Check all control functions and vehicle settings with the original OEM head unit.
2. Disconnect the original radio (OEM HU) without power.
3. Check all interface connections to ensure they are correctly connected - without power.

Connection and connection order:

1. Check interface settings and HW configuration - without power.
2. Check the connection cable configuration to the HU - without power.
3. Connect the cable to the HU according to the aftermarket device instructions.
4. Connect other wires according to the device instructions.
5. Connect the entire installation to the vehicle - connect the main power connection last.
6. Perform software configuration of the interface according to the product description or manual.
7. Configure the aftermarket HU (e.g., steering wheel control, camera, hands-free, antenna power).
8. Perform a functional test of the steering wheel control and vehicle communication.

Changing the interface and HU cable configuration:

• Make all changes without power.
• Repeat steps 5 to 8 listed above.

In case of interface or vehicle system failure:

• Reinstall the original OEM HU.
• Start the original unit.
• Invoke the shutdown of the CAN Bus system.
• Check the HW configuration of the interface.
• After shutting down the CAN Bus, repeat steps 5 and 6 listed above.

When modifying connections or cable routing:

• Connections and modifications may only be performed by professionally trained personnel.
• All changes must be verified for manufacturer approval or impact on vehicle warranty before connection.
• All modifications must be verified by measurement and comparison with the vehicle's wiring diagram before connection.
• Modifications are made at your own risk, without guarantee of functionality.
• Modifications are carried out at your own risk, without guarantee of exclusion of damage to the vehicle, device, or interface.
• Modifications of pre-installed cabling may lead to loss of product warranty.

Product comments

Evaluation

• Car stereos Steering wheel button control adapters Citroen steering wheel adapters
• Car stereos Steering wheel button control adapters Fiat steering wheel adapters
• Car stereos Steering wheel button control adapters Opel steering wheel adapters
• Mounting material and ACV reduction