2003 Buick LeSabre: jump startinal fuse box Dec 26, 2011I have a 2003 Buick Lesabre and I do not know where to find the fuse box in the car. The cigarette lighter does not work nor the accessory plug in. Where is the fuse box. Buick LeSabre - 2003 Fuse Box Diagram diagramfusebox›Buickcurrent load is too heavy, the circuit breaker opens and . closes, protecting the circuit until the problem is fixed . or goes away.