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Old 05-14-2019, 07:47 PM   #1
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Engine Battery charging issues

I bought my 2005 Journey, 36G a couple of months ago, I've been staying at a RV park for a little more than two months, noticed the engine battery charge voltage was low and a couple of days later it seems to be zero.

I ran the generator for a few hours and little or no charge to engine batteries.

Can I hook up a battery charger? Can both batteries be recharged at the same time or do I disconnect one and charge it and then do the same to the other one?

I'm afraid to do damage to the electrical system.

Thank you
Bob
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Old 05-14-2019, 08:46 PM   #2
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I'm pretty sure your generator will not charge your main motor battery. I assume you just have one main motor battery, right? If it is at zero voltage, it probably will not recharge, so you should take it out and get it tested. Once your main motor battery is either charged or replaced with a new battery, I would suggest you get a maintenance charger, which can back-feed your main motor battery through a cigarette lighter outlet. Just plug it into one of your house 120 VAC outlets.
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Old 05-14-2019, 09:01 PM   #3
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Consider getting and installing one of these.
It Hooks between the house batteries and draws power from them to trickle charge the chassis battery. We had the same issue with parking for a while and having issues with the starter battery going flat and this fixed the issue.

AMP-L-START Starting Battery Charger/Maintainer - Overview Page
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Old 05-15-2019, 08:04 AM   #4
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Yes you can use a battery charger just charge the house battery first if they are connected with a amp l or similar the chassi battery will charge when the house is charged if not charge seperatley.
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Old 05-15-2019, 09:09 AM   #5
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Here a Winnebago Service Tip 2006-04 Trik-L-Start - on installing the Trik-L-Start (little brother of the Amp-L-Start referenced above) in our coaches to keep the chassis batteries charged up whenever the coach batteries are being charged. Works great! (Winnebago started installing them as standard equipment on the 2006 DPs.) [Note that the Trik-L-Start link in the pdf is outdated, here's a current one: Trik-L-Start.]
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