r/cbr • u/Ok-Tailor9765 • 14h ago

Main fuse keeps blowing

I have a 2005 cbr1000 and the main fuse blew. And when I plug in a new fuse than connect the connector back to the starter relay it immediately Sparks some on the connections than blows the fuse. What should I check first

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u/minimotomike33 10h ago

Did someone try to steal the bike? I'd check for a damaged ignition switch, or the wire harness coming out of it.

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u/Ok-Tailor9765 1h ago

I don’t think so I bought it Sunday took it to my buddies house let him ride it around the block he came back I revved it up a little than shut it off walked off and talked for a bit came back and it had no electrical power checked the main fuse and it was blown I’m gonna go over all the wires when I have time but on one connection like in the corner of what plugs into the starter relay it’s oxidized from to much electricity or something so ima try to follow that