Atten: MikeL and everyone else that can help
 

What's the vacum hose diagram look like for the greddy turbo upgrade or any upgrade? Need to hook up boost controller, external wastegate, and pressure sensor as well as the intake manifold. Which goes to which? Any help would be greatly appreciated!!!! :)

External gate goes to the 'out' on the boost controller.
The 'in' on the boost controller goes to a vacume source, IE intake manifold.
Pressure sensor, senses pressure, so hooks to vacume source on the intake manifold again.

That should do it. This is just in general though, never used a 'turbo kit' before.

help??? Anyone with an upgraded turbo and and external wastegate!!! Post vacume hose diagram please?

Listen to what Dyre said, it's no different to the stock turbo. The line goes from the nipple on the compressor housing to the boost controller to the wastegate actuator, just like all turbos.

Oh yeah, NZ is right, you should go from the nipple on the compressor housing. That would be a non-vacume boost source.
BOV's goto the vacume boost source like the intake mani-