Mark wrote:
"The 12 volt mode operation often has degraded due to aging of the wiring
connections. This can be remedied. Also the cooling on 12 volts can be
improved by a change in the path of the power supply wire."

Mark, interested to know more about this. I just pulled my fridge for it's
somewhat overdue quarter-century overhaul, and would like to know what
wiring should be upgraded/replaced to boost 12V performance.

FWIW, I'm running on a relay-isolated AUX battery, if that matters. My
Dometic has always performed pretty well on all modes, though as you say,
12V power is more of a 'maintenance mode' ...

Thanks!