Where are fuses and battery in Audi A4 B8 (fusebox Click to view on Bing2:27Location of fuses, relays, battery and positive terminal for jumpstart cables in Audi A4 B8 (also S4 and RS4). Fuse boxes are located in three places: in the trunk, under the trim; under theAuthor: mr-fixViews: 221K Fuse box Audi A4 (B8) - fusesdiagram Fuse box in passenger compartment Audi A4 (B8). fuse box location. The various electrical circuits are protected by fuses. The fuse boxes are located behind covers on the left and right sides of the dash panel and in the compartment on the right side of the boot. Fuse box Audi A4 (B6) - fusesdiagram Locate fuse and relay. Fuse box diagram. Identifying and legend fuse box Audi A4 (B6) 2000-2006.