Where is the fuse box for a 2003 Audi A6 - answers My 1997 A6 wagon has a fuse box on the SIDE of the DASHBOARD where the driver's door meets the dash board. Open the driver's door and look for a panel that comes off. Fuse box Audi A6 (C5) - fusesdiagram Locate fuse and relay. Fuse box diagram. Identifying and legend fuse box Audi A6 (C5) 1997-2005.