yes, 3 wires on the flasher, see here, one a power lead, one for the load [signal unit], one for the indicator, you may be missing the power or load wire
"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
