Yes. Slides, power tongue jacks, power leveling jacks, and such work off the battery due to the high amperage draw. your problem is most likely a low or dead battery. there are also self resetting thermal breakers in the loop that could possibly go bad. but I would start with the battery first.
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Jason & Wendy
2014 Ford F-350 Lariat 6.7L PSD
2015 Keystone Montana 3711FL
B&W Patriot 16K Fifth Wheel Hitch
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