wiring for your setup .... yes you have a bad regulator - and maybe a bad battery as well

an externally regulated alt has been working fine on my 58 for years with no circuit breaker or shunt

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature we find it attached to the rest of the world" John Muir
"When we tug a single thing on an old truck, we find it falls off" me
Some TF series details & TF heater pics & Rust-a-holics Unanimous parking lot