Jon - the speaker connection isn't "a wire", it's a very small socket on the same face as the dial light bulb, the wire from the speaker has a metal end that plugs in there [and the same on the other end at the speaker] - see here
"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