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Found a schematic, but the DC/DC converter appears to only have 7 wires:
HV(+/-), +12V, Ignition, Ground, and Serial data in/out to the BCM.
This leads me to conclude the enable/inhibit is handled through the databus, so it looks like I'll have to pull the battery and see if it charges or not.
If I do that, am I correct to think 12.6V = not charging, and 14.4V = charging, similar to an alternator charging system?
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