Originally Posted by IonicBrick
The clamp amp meter that the electrical supply had only went to 20 amp DC and was $150. Still, my little $20 tester and $5 of fuses verified that I have a more serious issue. Just can't believe its on such a new camper.
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The tester is showing leaking currents only on that fuse circuit. The converter is not involved except as a 2nd power supply. You need to disconnect each device one at a time and see which one blows the circuit. Make sure if the loads are daisy chained, reconnect the lead to the next circuit so it stays in the line during testing, ie: if furnace receives the red wires and is parallel to CO detector, remove from furnace lug but be sure the supply continues down stream.
Easier way, take back to dealer and explain whats happening.