While moving my LIFPO batteries to the inside of my travel trailer, the red wire broke off in the VBatt+ hole. I was able to get it out, but in the process I apparently damaged the inside connection. The new red wire end goes in all the way, and the spring does not engage to hole the wire in place. Is there any way to fix or replace this part of the shunt? I have never used the Aux port, so I could connect there, but I assume this would not work well with the lithium batteries.