Yes. I've got 13.8 Volts on the power supply feeding the radio to the power plug and to the 26-Pin connector.
I bought a second XTL5000 from a different seller and it just keeps showing FL 01-90 and goes into Maintenance Mode and displays Local Device. The seller had me sync the head, which did not fix the issue, so he's giving me a refund.
I bought a NIB XTL5000 the other day, so hopefully I can put all of this behind me.