Buick Lucerne (2006 - 2007) - fuse box diagram - Auto Genius Buick Lucerne (2006 – 2007) – fuse box diagram. Year of production: 2006, 2007. Engine compartment. The underhood fuse block is located on the passenger side of buick 2006 fuse box | eBay Find great deals on eBay for buick 2006 fuse box. Shop with confidence. Where is the fuse box on 2006 on Buick Lacrosse - answers There are two fuse blocks in the 2006 LaCrosse. one is located on the passenger side under the hood in a black colored box. The other is inside the passenger side Fuse Box Diagram > Buick Fuse box diagram (location and assignment of electrical fuses and relays) for Buick.