any motor is one speed, you just need to get the variable resistor sw for 12V, which works fine - NAPA should have them or one of the vendors have them like this

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