Originally Posted by Dabsy
Did you re-wire, or use an adaptor harness?
If you re-wired then this may be your issue...
I using this harness (Metra 70-9003 (met-709003) Wiring Harness for Select 2002-2007 BMW/VW Vehicles) it's pretty stupid friendly.... so I thought.
Yellow – 12V Constant
Red – 12V Accessory
Black - Ground
Orange – Dash Light Dimmer/Illumination
Green – Left Rear Speaker (+)
Green with Black Stripe Left Rear Speaker (-)
White – Left Front Speaker (+)
White with Black Stripe – Left Front Speaker (-)
Purple – Right Rear Speaker (+)
Purple with Black Stripe – Right Rear Speaker (-)
Gray – Right Front Speaker (+)
Gray with Black Stripe – Right Front Speaker (-)