yes, the issue is inside the speedo, there's a plastic worm gear that drives the odometer that's stripped, time to pull it apart and rebuild it, this tech tip might help

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