I have an Audi A4 B7 2005, with a standard Audi Concert head unit part no (8E0035186D) Currently the system is half amplified (rear speakers and standard sub), please see attached photos.
I've bought a Pioneer x9500BT, along with fascia adapter and harness for (half amplified) system. I have plugged everything in but the new head unit does not power on.
I spoke to a friend who mentioned that I may need a can-bus adapter hence why no power going to the head unit.
Can someone else please advise if they have come across this issue before/solutions?