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Open Roads Forum > Class A Motorhomes

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Larry Cohen

Mobile, AL

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Posted: 05/07/12 07:09pm

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They should be....original from a 2005 install...Interstate 6v deep cycle...after road running for 3 hours with the genny on and being fully charged before hitting the road, I noted my Intellitec display showing 12.3-12.4 volts with the engine and genny off and the residential fridge running...I don't have a hydrometer to check acid state and haven't equalized for over a year...What should normal voltage show with a fridge running? I'm suspecting my house batteries might be near the end of the road

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garym114

Bluff Dale, Texas

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Posted: 05/07/12 07:20pm

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I don't think anyone can say what the voltage should be under load but that doesn't sound to bad. How many amps does the fridge draw?

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Larry Cohen

Mobile, AL

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Posted: 05/07/12 07:30pm

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"How many amps does the fridge draw"
about 1-2 after starting...the amp draw on the display showed about 14..don't know from where

pianotuna

Regina, SK, Canada

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Posted: 05/07/12 07:57pm

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Hi,

If the amps draw was 14 then 12.3 is a good number.

Regards, Don
Kustom Koach Class C 28'5" 256 watts Unisolar, 875 amp hours in two battery banks 12 volt batteries, 2500 MSW watt inverter.

flyswamper

Calgary, Alberta, Canada

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Posted: 05/08/12 08:00am

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Pssst.... Hydrometers really are very inexpensive....

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MountainAir05

New Mexico

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Posted: 05/08/12 09:06am

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check voltage with a good meter on the battery. All the other gauges reading are for a referance only.

wa8yxm

Wherever I happen to park

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Posted: 05/08/12 11:00am

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I would agree with the 12.3 number.. If you have a progressive dynacic s converter then you equalize normally.

Also, if it's s workorse the alternator does a fair job (not a great job) of equalizing.

I would check fluid level (HINT: It is not water, you add water but it mixes with what is in there and that is NOT water) and clean the connections,

Also check the other ends of the wires epically the ground lead.

This is ... Normal maintenance.. Nothing special.

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