Fuse box Audi A4 (B6) Locate fuse and relay. Fuse box diagram. Identifying and legend fuse box Audi A4 (B6) 2000-2006. Where is the fuse box located on a 2003 Audi A4 - Answers In my 2002 Audi A4, its #37 in the fuse box The fuse box diagram for a 2003 Toyota Corolla CE is located on the rear of the box cover. It can also be found within the service manual. SOLVED: Location of the audi a4 fuse box 2003 - Fixya Check up dipped beam headlights fuse inside fuse box. For Audi A4 the fuse box is located on the left side of dashboard behind a plastic cover (for left hand steering wheel vehicle). On inner face of the plastic cover you will find the fuse diagram. If the dipped beam headlights fuse is OK, check up dipped beam headlights bulbs. Fuse box diagram Audi A4 (B7) - fusesdiagram Fuse and relay location. Fuse box diagram. Identifying and legend fuse box Audi A4 2004-2009.