6v or 12v won't matter to the ignition switch but it might matter to how it'll fit the dash, so what you're looking for is an ignition switch to fit a 55 1st .... American Classic lists one for 54/55

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