No pressure at right carb vacuum port

[Darkstar]

My bike starts and throttle pretty smooth up through the power band, but I thought it would be good to sync the butterflies anyway. So, I bought one of the $30 carb sync tools and calibrated both meters that it comes with. I connected meter 1 to the vacuum port coming out of the left carb, the one down near the slide that has the rubber nipple covering it. I connected meter 2 to the vacuum port coming out of the right carb on the top, it's a small hose that feeds into a Y connector after it leaves the carb. Petcock vacuum hose is plugged. I start it up and it still revs well, but I only get a reading on the left carb, not right. I then disconnected the meter and put my finger on both the hose and connector and don't feel anything. Swapped meters and got the same problem. Any ideas here?

EDIT: FIXED. I WAS CONNECTED TO THE WRONG VACUUM TUBE