Interior Fuse Box Location: 1997-2005 Buick Century 2004 Click to view0:17The video above shows how to replace blown fuses in the interior fuse box of your 2004 Buick Century in addition to the fuse panel diagram location. Electrical components such as your map light, radio, heated seats, high beams, power windows all have fuses and if they suddenly stop working, chances are you have a fuse Buick Century (2004 - 2005) - fuse box diagram - Auto Genius Jan 22, 2017Buick Century (2004 – 2005) – fuse box diagram. Year of production: 2004, 2005. Instrument Panel Fuse Block. Some fuses are located in a fuse block on the passenger’s side of the instrument panel.