it gets the signal from the brake pedal that activates the brake light[s] via the signal unit .... unit allows that signal [power] on both lights unless a direction is selected, then it interrupts the selected side

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