fuse

I HAVE A KEQJSK E-BIKE. I WRECKED IT WHICH CAUSED THE LCD SCREEN TO SHATTER BUT THE BIKE STILL WORKED FONE. BUT WHEN I WASHED IT THE LCD SCREEN MUST HAVE GOT WATER IN IT BECAUSE I RODE IT 2-3 BLOCKS, SHUT IT OFF AND THEN THE BIKE WOULDN'T POWER ON. BUT THE HEADLIGHT AND HORN STILL WORKED. WHILE...

If so, where? If it blows when I'm miles away from home, I'd like to be able to change it.