11. Ray then routed the regulator’s positive cable (A) to the circuit breaker’s silver post. The red cable with black sleeve (B) was routed to the ignition. Lastly, the black cable with red sleeve was hooked up to the copper post (C) and routed to the starter where it meets the battery’s positive cable. The circuit breaker acts just like your home’s circuit breaker. If you’re running too many accessories on your bike, it protects your battery from being overloaded.