For the OP: Is it true that you don't even have to tow the trailer? You can just plug in the trailer umbilical, start the truck and then turn off/remove the key and the truck will continue to run?
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2022 Cedar Creek Champagne 38EL - "Big Bertha"
2019 GMC Sierra 3500 Denali HD 6.6L Duramax TD, CC, 4WD, DRW - "Mr. Beefy"
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