Hey guys I just noticed that I have no power steering on my big trooper(89 2.8L v6)

How do I know if its the pump, or the gear box?
Thanks...

_Chris.. <img src="/forums/images/graemlins/cheers.gif" alt="" />


89 trooper, tera low t-case gears,5.38's, 3" indy4xsus lift3"body lift,safari snorkle,warn winch,custom bull bar,custom rock sliders,warn hubs,35x13.50r15,custom rear bumper trooper pics