should be able to find it in this accessory manual [2nd page] .... your confusion may be cuz the cables need to be attached [at the back] before the unit is installed

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