vacuum block

I see the drawings here but need clarification. Two vac lines on the wg solenoid. I clearly see that one closest to fender goes to the Y near the 2 port wastegate. But does the other connect to a line coming from the vacuum block; a line that seems to have two or three lines and maybe going...

The throttle body has some slight porting see pics, plenum tapped for air intake sensor, and vacuum block for the vacuum brake conversion. Asking $70 shipped for both T/B and plenum or $40 shipped each. $25 shipped for the vacuum block. All 3 together $85 shipped