here's another thought - license lights are legally supposed to shine on the plate only, not to the rear of the vehicle - the way that light is mounted would seem to have had a red lense as a tail or aux brake light
"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
