motor? I suspect you mean the solenoid, "passing gear" is a kickdown switch that drops out the OD ... the only control in the cab is a T handled cable that says "Overdrive" [as on this page, bottom right]

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