Fuse box Audi A4 (B5) - fusesdiagram Fuse box in passenger compartment Audi A4 (B5). fuse box location. The unit is located under a cover at the end of the dashboard on the left-hand side. To open cover insert a screwdriver in the slot below the cover and pry it off. The crank handle for manual operation of the electric sun roof is clipped on the inside of the fuse box cover. 1994 to 1997 Audi A6 C4 – Fuse Box Location and Fuses wwwhowto›Audi A6›Audi A6 C4 (1994 to 1997)Dec 17, 2017The Audi A6 C4 (1994 – 1997) have 1 fuse box and 4 relay box. The fuse box is located in the dashboard driver’s side and the relay boxes in dashboard – Scroll down to see how to access them and each the fuses list.