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out with the old, in with the new.
ignore the burnt 30A fuse lol that was when I was trying to run Victron DC-DC charger through that port 2 or 3 years ago, not the issue for this week's problem.
After inspection, I suspect the positive terminal stud had some minor cracks in it so the power draw is not consistent, which creates heat. Because I oversized the wire gauge from this panel to the breaker, heat conducted itself to the breaker, built up there, and tripped the thermal breaker. This would also explain why my icom would read low voltage at unit start up and shut off when I try to transmit with the truck off.
Replaced unit, and iCom's voltage reads 0.1V less than battery's voltage readout using multimeter. Tried to transmit with truck off, radio didn't shut off. Drove for an hour with both iCom and Victron on and functioning, and no more tripped breaker.
Problem solved. Now I just gotta finish the route for next week in case we actually do it.
Thanks for reading my yapping and Merry Christmas!
oh and this happened... I guess God's telling me something with that big, bright orange sign on Christmas Eve huh.
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