This Aerpro control harness allows you to upgrade to an aftermarket head unit whilst maintaining use of your factory steering wheel controls.

Steering controls are considered a primary harness and will require a secondary harness and patch lead to be used in conjunction for plug and play.

Specs: 

• Suits: Audi models with Quadlock adaptor
  A3 (8P) 2003 - 2013
  A4 (B6/B7) 2001 - 2008
  A6 2004 - 2011
  TT (8J) MK2 2006 - 2014 (Not Compatible with Digital Amplifier)
• Phone button compatibility: Yes
• Patch lead: Type C
• Notes: RCA Connections For BOSE & Half Amplified Systems New Radio Must Have RCA Audio Out Connectors, Blue wire must be connected to turn on factory amplifier.
• Outputs
• Reverse (Purple/Violet): Yes
• Handbrake (Light Green): Yes
• VSS (Pink): Yes

Known to work with the following vehicles:

• Audi A4 2001-2008 (B6, B7) 
• Audi TT 2007 - 2014 (8J) 
• Audi A3 2003-2007 (8P) 
• Audi A3 2006-2012 (8P)