if you don't have an assembly manual [worth getting], look around MarK .... really all you need to do is have the basic box together and bolt some cross members in so it'll sit on the frame - best painted off the truck anyway and with the tailgate off

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