yes the armature wire is the heaviest, which would go to the regulator - the regulator should be labeled, short the batt[B] and gen[G] terminals momentarily

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