Originally Posted by danedg
It doesn't seem beefy enough. It's like 18-16 gauge wire. I thought it must be the horn....
I'm not aware of a relay anywhere?
There, underneath the master cylinder.
Nick is correct. Starter button wiring. Blue/blk - power from fuse block, brown - power to the relay. It doesn't need to be any "beefier" since there is a relay mounted back under the voltage regulator.