Buick LeSabre (1994) - fuse box diagram - Auto Genius Buick LeSabre (1994) – fuse box diagram. Year of production: 1994. Fuses. The fuse panel is located under the instrument panel, next to the parking brake. Buick LeSabre - 1994 Fuse Box Diagram Buick; LeSabre - 1994 Fuse Box [email protected] Your vehicle is equipped with the [email protected] (Personalized Automotive Security System) theft . deterrent system.