You have about 1600 miles whether you go to YNP from the north or the south. I mapped the distance from Indianaoplis. Either route is not bad. Take one going there and the other going home. I stay at Grizzlys in West Yellowstone when we go there. It ...
Between Grand Canyon and Yellowstone there are some great National Parks am Monuments. Monument Valley, Zion, Bryce, Capital Reef, Archs, Canyon Lands and the Grand Tetons. Those could add a fair bit of time to the trip, but you are going right by. I...
Easiest way would be to unplug from shore power, put your voltmeter on the battery check the voltage. Plug back into shore power, check the battery voltage, should come up if the converter is working.
