Interior Fuse Box Location: 1990-1999 Buick LeSabre 1992 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 1992 LeSabre is located. If your LeSabre has many options like a sunroof, navigation, heated seats, etc, the more fuses it has. 1992 Buick LeSabre fuse panel diagram? | Buick Forums Sep 11, 20101992 Buick LeSabre fuse panel diagram? Thread starter Mark O'hara; Start date Sep 9, 2010 My fuse panel is missing the cover that tells where each fuse is located and what it is for. I need to find an image of the panel. Quote Reply. Sep 10, 2010 #2 imidazol97 Top Dog. 1,447 10 38.