My A4 has BOSE and I have an aftermarket Kenwood unit to put in. In my previous car it had a similar audio set up by Harman Kardon, and I was able to get an 'enabler' lead that allowed the HK to work with an aftermarket headunit.
Is it possible to connect my Kenwood up to the BOSE in my A4?
Is it possible to connect my Kenwood up to the BOSE in my A4?