Still not getting power steering assist

with the wheels of the ground, and the engine off, is it the same or harder then with the engine on?
at some point, we need to perhaps quit looking at the pump and start looking at the steering box?

have you verified there is pressure on the output hose of the pump ?
On the ground it feels the same engine on or off...
Everything worked fine prior to this...I don't know what could have happened to the box...?

Jeff