Fuse Box Diagram > Ford Mustang (1998-2004) Fuse box diagram: Ford Mustang (1998-2004) Cigar lighter / power outlet fuses in the Ford Mustang are the fuse #1 (Cigar Lighter) in the Instrument panel fuse box, and fuse #9 (Auxiliary Power Point) in the Engine compartment fuse box. Passenger compartment fuse box. 1998 Mustang Fuse Diagram Under Hood Interior Under Dash Jul 15, 20131998 Ford Mustang Fuse Diagrams. 1998 Ford Mustang Owners Manual. 1998 Mustang Fuse Diagram Under Hood Power distribution box. The power distribution box is located in the engine compartment. The power distribution box contains high-current fuses that protect your vehicle’s main electrical systems from overloads.