Interior Fuse Box Location: 1997-2005 Buick Century 2000 Click to view0:17Some Buicks have multiple interior fuse boxes including in the trunk - the video above will show you where the interior fuse box of your 2000 Century is located. If your Century has many options like a sunroof, navigation, heated seats, etc, the more fuses it has. Buick Century (2000) - fuse box diagram - Auto Genius Buick Century (2000) – fuse box diagram. Posted on 22 January 2017 1 November 2018 by admin. Buick Century (2000) – fuse box diagram. Year of production: 2000. Instrument Panel Fuse Block. Some fuses are located in a fuse block on the passenger’s side of the instrument panel.