a 54 would be 6 volt, but likely it'd work OK on 12V if that's what you're going with, if the resistor coil burns out on 12V, it's easy to replace wink

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