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Old 05-20-2018, 06:14 PM   #1
Junior Member
Join Date: May 2018
Posts: 2
Auxiliary switch issue?

I have a 2004 Tioga Fleetwood class C 29ft RV. If I push my auxiliary button on I just get a dim light and nothing happens. If I turn my engine on and then I press my auxiliary button on the switch turns on and I have full auxiliary's battery power. If I turn my generator on my auxiliary battery flickers and nothing happens. If I turn my engine on once again everything is fine and I can turn my generator on with my auxiliary battery then on. It seems like a battery switch issue??

When I am dry camping I will go to sleep at night with a full battery charge and wake up in the morning with my fridge off and the switch also off. Showing zero battery charge. If I turn my engine on once again the switch works and full battery charge shows this is very weird.

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Old 05-20-2018, 07:36 PM   #2
Tiffin Owners Club
Join Date: Nov 2016
Posts: 66
Everything seems to point to a house battery issue:
Low coach (aux) battery could make the aux button non-op if it is powered by the aux batt system. When the engine runs the chassis batt (engine) connect to the aux battery and everything works.
Two possibilities come to mind: bad aux battery(s) or bad cell in an aux batt.
2nd is a corroded cable connection on the aux batt system.
And one more bonus possibility - very low water in the aux batteries.
Time to get out the voltmeter along with some gloves and wrenches...

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Old 05-21-2018, 03:54 AM   #3
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Welcome to the forum. We're sorry that it took a problem to get you to join, but we hope that you will stay engaged after you have a resolution.
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Old 05-22-2018, 10:51 AM   #4
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Hi ! Welcome to IRV2! We're sure glad you joined the gang!

Don't have an answer for that one!

Good luck, happy trails, and God bless!
Joe & Annette

2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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