I think it was actually earlier the colors were settled ... the colors on the 55 diagram are the same as the 58/9, although on old wiring they're frequently pretty faded except where still wrapped

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