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Old 11-17-2014, 01:32 AM   #1
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Location: Ottawa, Ontario, Canada
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Motorhome charging toad battery

I just installed base plate, transmission oil pump and finishing final touches on wiring for Even Bake system, I want to install a feed wire to charge the battery on the toad. I don't want to run toad engine at end of day just to make sure battery will be good for the next.
My question is what gauge of wire to use and amps for fuse. I know I should put a fuse starting at MH batteries but do I also install one before the toad battery ??
Thanks for the info

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Old 11-17-2014, 03:37 AM   #2
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Location: South Jersey
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Definitely install a fuse on both ends of the charge line. The toad battery can cause a serious short issue as well as the charging vehicle

Kathy & George Zimm & 1 Sheltie, Lancelot
Mickleton, NJ
2006 Coachman Epic & 2013 Chevy Equinox Toad
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Old 11-17-2014, 03:45 AM   #3
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Remember the alt in rv is going to try to give whatever the car battery can take. I would run a 10gage wire with a 30 amp fuse. That should handle most loads unless the battery is like 1/2 used.
Getting there is half the fun - take your time and enjoy the scenery.
2012 Thor Outlaw
2000 Heritage Softail
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Old 11-17-2014, 07:00 AM   #4
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Use #10 wire with 30 amp fuses (or circuit breakers) at both batteries or #12 wire with 20 amp fuses (or circuit breakers) at both batteries. I used #12 wire with breakers and that works fine for my requirements.
2004 Hurricane 32R F53, 2010 Ranger, 2016 Harley Switchback, 1 wife and 4 cats
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Old 11-17-2014, 04:23 PM   #5
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Thanks very much. Will go with the 10 wire and 30 amps breaker.
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Old 11-23-2014, 02:18 PM   #6
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Consider this: RVibrake Towed Battery Charger, charge line replacement

Ken & Anita
2011 Newmar Essex, 45'- 4522, Cummins 500 ISM, 2013 CRV, RVI2 Brake with TPMS
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battery, charging, motorhome, toad

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