i have the gauge and everything mounted already and i am in need of help.
i know you can drill and tap the intake manifold to get the boost reading but my gauge came with a T adapter and i need to connect it to the vaccume line instead.
can anyone point out where the vaccume line would be?
and also how you wired up your lighting for the gauge

You have to tap the upper intake manifold. You cannot tee it off something.

So you have to get the connection, cannot use what is given to you.
IIRC 1/8" compression fitting to 1/8" npt.
Somebody could chime in.

Or you can get Turbo Boost bolt from PMDCable sold through Ebay.

How to wire and everything should be in the FAQ.

just finished up drillin and tapping the intake
and got everything workin
tested the gauge and the highest i saw was 9psi then my tires broke loose.
i also have a mechanical boost controler and im wondering how to use it
any ideas?

What do you mean by tire broke loose?

Did you make your own Boost controller?

i meant i was just powerbreakin to see how much boost would build up and i ended up doing a burnout haha
but no i bought the truck with it already there and just installed the guage today so ill be able to see the effects of "messing" with the boost controler
the only problem is i don't know how to use it

9 psi with stock computer is about the max you can do without coding.

what does the controller look like

what does the controller look like

Great question.

heres what it looks like
http://www.usdieselparts.com/imagesweb/TM-GMinstalled.jpg

from the looks of it, you can adjust it to get more or less

Tighten bolt to get more boost.
Loosen bolt to get less boost.

green, what do you have yours set at?