I use a Rand McNally RVND 7730. Allows setting custom RV configuration such as length, weight, height, propane tanks, and whether or not you are towing. Works well for me.
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Dave
US Army (Ret)
2020 Entegra Accolade 37TS
2019 Jeep Grand Cherokee Trailhawk (Toad)
FMCA - F432054
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