According to the 2004 owner's manual, the fuse box for a Suzuki Yolusia is located under the chrome cover on the left-hand side near the locking toolbox. The main fuse is the only one that is under the seat.
The main fuse is 30 amps and protects all electrical circuits. There is also a spare main fuse in the same location. The other fuses of the Suzuki Yolusia include the head-hi, head-lo, meter, ignition, signal and power source fuses. Fuses work to protect lights, such as headlights, turn signals and indicator lights, as well as electrical accessories, ignition coils, fan motors and much more.