Hello, yes I am new to your site. I am on my 4 th Audi,2 of which are A6 Avants. I do have a question but not sure where to post. My new Audi is an A6 Avant 1.8T SE,2004. It has a new radio setup from older car. I want to put my Alpine head unit in the new car. I have the face cover,wiring connectors etc,what I cant seem to find is an accessory wire. The car loom/connector does not have one,so I need to make sure I dont drain my battery. Any help/ideas out there? Thanks for any information.