Good Sam Club Open Roads Forum: Class C Motorhomes: battery power
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tlfreeman147

Lexington, KY

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Posted: 07/06/20 06:11am Link  |  Quote  |  Print  |  Notify Moderator

2017 Four Winds 28Z. On shore power all is fine and control panel lights accurate. On battery power all systems work but when main interior lights are on control panel lights are inaccurate and if you turn on water pump the main interior lights dim or go out. Turn off all power usages and control panel reads correctly. Suggestions what to look for?

tobydad

MA

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Posted: 07/06/20 06:29am Link  |  Quote  |  Print  |  Notify Moderator

Use a voltmeter to check house batteries output voltage. Could be a loose battery cable or battery replacement if voltage is low. Start engine and check house battery with voltmeter again to make sure the battery is being charged with engine running - also the house lights should be bright while engine is running and control panel lights are accurate.

bobndot

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Posted: 07/06/20 06:58am Link  |  Quote  |  Print  |  Notify Moderator

Has your 12v battery bank ever run down very low before you had the chance to charge it back up ? What is your normal charging practice, do you keep your rig plugged into shore power or do you charge it periodically when you think it's needed ?

I agree use a volt meter. It sounds like it might be a battery situation.

tlfreeman147

Lexington, KY

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Posted: 07/10/20 05:04am Link  |  Quote  |  Print  |  Notify Moderator

thanks for the input

Grit dog

Black Diamond, WA

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Posted: 07/10/20 09:23am Link  |  Quote  |  Print  |  Notify Moderator

Ya, check the batteries. Sounds like they’re not re-charging.


"Yes Sir, Oct 10 1888, Those poor school children froze to death in their tracks. They did not even find them until Spring. Especially hard hit were the ones who had to trek uphill to school both ways, with no shoes." -Bert A.

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