Using the jack without the battery
I removed my battery to get my RV ready for winter. I go to use the jack and it won't work. It didn't matter whether it was hooked up to AC power or plugged into my truck, it would not work. Is that n...
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Jumper cables from the truck battery to the battery terminals on the trailer. Like the above post states, don't let them touch anything else metal. And I would unhook the A/C power before doing it.
