I put in a new instument cluster voltage regulator and still nothing???Did I install the regulator correctly?

 

I don't know. But that is a sweet interrior. I like that shifter.

 

Don't wanna sound like a jerk, but is there any chance the fuse is blown?

 

First, did you make sure you hooked up the ground wire from the instrument panel to the back brace? Did you go back and recheck all your connections to see they are correct?
Did you check to see you are getting 12V to the IVR Lead with the switch on?

You can test the IVR to see if it's putting out the 5V required by using a volt meter. Here's how they work: