might be that the connection that's 'just a brass hole' has had the pin end broken off, or is meant to receive a pin type wire connector

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