I just purchased a new G10TII transmitter and it will not make a positive connection unless you keep it pressed in place with your hand which is obviously unworkable. I noticed that the spring on the contact post is much stronger than on my previous unit which seems to be "ejecting" the unit from every guitar I own. This is the second new unit this week to have this same issue (thanks for the quick response Sweetwater). I wonder if their manufacturer substituted the wrong pressure spring. I opened a ticket with Line6 and am hoping to hear back.