yes, the steering wheel comes off easily, then there's a screw on the underside of the signal cup that loosens it so it can slide up [or down] and off, but you might be able to change the switch assembly without removing the cup
"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