I mean a shop that does auto electrical repairs, if you don't have a phone book do a search .... NAPA is an auto parts store, they could get you a new motor, doubt they'll have much for DC motor repair
"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