Rockie

So i have a suzuki intruder 125 2000, and i was riding perfectly find and pooof no lights, engine off. Ive come to realise that the fuse is blown in the starter relay, incoming end from battery. Even with ignition off, it will blow a fuse. uses 30 amp large fuse. Im completely stumped, gutted the whole wiring harness as much as i could out in the sticks and didnt find any issues. Anyone know what this could be?