Fusível de 30 amp

I have a problem with my ZX 6 2005, the 30 AMP fuse mels., It all started making bumps and finished them, to the next weekend in the second peta batch and I moved me and stopped this last in the first batch in the second round always melts, some tell me that a cable to dough but there are more fuses of minor amperage, others the engine of the motor start where the motor is First, can someone give me a track before disassembling crazy? obrigado