Chevrolet Express (2003 - 2005) - fuse box diagram - Auto Jan 05, 2018Chevrolet Express (2003 – 2005) – fuse box diagram. Year of production: 2003, 2004, 2005. Floor Console Fuse Block. The floor console fuse block is located under the driver’s seat. Fuse box Chevrolet Silverado 1999-2007 - fusesdiagram Fuse box in passenger compartment Chevrolet Silverado. fuse box location. The fuse block access door is on the driver’s side edge of the instrument panel. Pull off the cover to access the fuse block. Relay box Chevrolet Silverado. Instrumental panel relay block is located below instrument panel to the left of the steering column.