the cabs are all the same, and light positions are all the same .... the 2 clearance lights go as far to each side as possible at the highest point - the 3 identification lights are centered and 6" apart .... see the link I gave above
"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