yes, Nix, the 5-9 are 12V same as the truck itself - I'll get on the scans - also have the basic unit of a 57 car radio, I'll send ya a pic of it to see if it's similar to yer 55
"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
