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Features & Benefits:
• This head unit connection lead can be used with all of the C2 steering wheel control interface range
• This lead is brand specific. Simply purchase another head unit connection lead if you wish to change your aftermarket head unit.
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
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12 Month Warranty
Worldwide Delivery
For Vehicles With Mini-ISO Connector. Retains OEM Fibre Amplifier.
Fits:
Porsche 911 (997) 2004-2008
Porsche 987 Boxster 2004-2008
Porsche 987C Cayman 2005-2009
Features & Benefits:
• Allows you to upgrade to an aftermarket head unit whilst maintaining use of your factory steering wheel controls
• Safety: Allows you to keep your hands on the steering wheel and eyes on the road.
• Plug and play, no cutting of wires required
• Maintains the original features of the vehicle such as date, time and temperature display
• Choose the relevant head unit connection lead according to the make of aftermarket head unit you wish to fit
• For interfaces where phone buttons are supported, the following brands allow pick up/hang up in Bluetooth mode: Alpine, Clarion, Kenwood, Pioneer and Zenec. Please see icon list below to see if this interface supports phone buttons.
• Please check the connections in the vehicle match the harness you are purchasing
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
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12 Month Warranty
Worldwide Delivery
Porsche Steering Wheel Control Interfaces - Retain Factory Controls with Aftermarket Audio
Porsche steering wheel control interfaces allow factory steering wheel buttons to continue operating audio and multimedia functions when an aftermarket head unit is installed. By translating Porsche’s original control signals into a format recognised by modern multimedia systems, these interfaces preserve convenience, safety, and OEM functionality.
Available from Design911, steering wheel control interfaces are essential for maintaining hands-on control of volume, track selection, and call handling after upgrading in-car multimedia systems.
What Do Porsche Steering Wheel Control Interfaces Do?
Steering wheel control interfaces bridge factory controls and aftermarket head units.
Core Functions:
- Retain steering wheel audio and media controls
- Convert factory control signals for aftermarket systems
- Enable safe, hands-on operation while driving
- Maintain OEM-style functionality and convenience
- Support clean, plug-and-play multimedia upgrades
These interfaces ensure driver controls remain intuitive and fully functional.
Why Do Steering Wheel Control Interfaces Fail?
Steering wheel control interfaces rely on electronics and signal communication that can degrade.
Common Causes of Failure:
- Incorrect installation or wiring errors
- Compatibility issues with new head units or updates
- Internal electronic component failure
- CAN-bus communication faults
- Connector damage or poor grounding
Failure can result in non-responsive buttons or inconsistent control behaviour.
When Should a Steering Wheel Control Interface Be Replaced?
Porsche steering wheel control interfaces should be replaced
when:
- Steering wheel buttons stop working after an upgrade
- Controls respond intermittently or incorrectly
- Upgrading to a different head unit or infotainment system
- Diagnosing multimedia control or CAN-bus faults
- Reinstalling systems after dashboard work
Replacing a faulty interface restores safe, convenient control.
Highlights
- Retains Porsche factory steering wheel controls
- Enables seamless aftermarket multimedia upgrades
- Preserves OEM convenience and safety
- Designed for reliable CAN-bus signal conversion
- Ideal for clean, reversible installations
Monday-Friday: 8.30am - 5.30pm (GMT)
Saturday: Closed
Sunday: Closed