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Old 01-26-2020, 09:20 AM   #1
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Join Date: May 2019
Location: delaware,ohio
Posts: 9
dead battery in tow vehicle

I am towing a 2019 Jeep Wrangler behind our Dynamax Isata 4. We are using a Blue Ox Patriot 3 braking system in the Jeep. Power to the Patriot 3 is supplied directly from the Jeep battery with the ignition off. Blue Ox and the dealer who installed the equipment assured me that battery draw was not an issue because of the small requirement. On our first trip towing the Jeep the battery was drained twice after towing 14 hours. Don't know if its a Jeep problem, a wiring problem , or if the braking unit uses more juice than they say.
Anyone with similar experience and knows what is going on.
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Old 01-26-2020, 10:25 AM   #2
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Join Date: Jun 2011
Location: Big brown desert
Posts: 2,924
I would connect the positive and negative from umbilical cord to your battery. That way technically your TV is providing some power to your brake unit.
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battery, tow vehicle

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