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Old 05-14-2014, 02:03 PM   #1
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1997 Beaver Chasis Battery Problem

Last night we tried to get the RV ready for a trip. Turned on the disconnect switch and started the engine. Nothing!!! We noticed that the steps and the leveling jacks were not operating. There is no sign of power from the chasis battery. We check the chasis batteries (2) with a voltmetter which shows approx 13.6. Tried to start the engine again turning the battery boot switch that connects the house and chasis batteries, the engine cranked a few turns and stopped as if the power provided from the batteries was not enough. The inverter shows the house batteries are fully charged. Please help!

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Old 05-14-2014, 02:27 PM   #2
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analog and very easy to read.Hi lylaodai,
If, when checking the batteries they were connected to each other, the reading will be inaccurate. The batteries need to be isolated from each other. The symptoms mentioned are classic for bad/dead chassis battery(s). The bottom line is you need to isolate the batteries and then do a load test. Any automotive parts store can do this test. Or you can purchase a tester. If you make a purchase get a tester rated at 100 AMPs minimum. My tester is rated at 130 AMPS. Once the battery is isolated the test is easy to do and takes about 15 seconds. Make sure the battery(s) are fully charged before making the test. This will tell you the ability of the battery to discharge the AMPS needed to start the engine. The closer to the red zone means the batteries need to be replaced. The test meter is usually

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Old 05-14-2014, 02:48 PM   #3
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AS if what Gary has said is not enough check your ground cables to chassis frame clean tight connections for both the chassis and house batteries.
Here is a Tech link found in RV Systems and Appliances below.
Here is information related to Beaver.
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Old 05-15-2014, 03:12 PM   #4
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We thought the Inverter/charger would charge both house and chasis batteries. incorrect assumption leading to the chasis batteries left completly discharged. We are charging them up slowly and hope that the batteries are not damaged. Will have them tested after fully charged as suggested by Gary.
Thank you for your help. By the way, I am considering Echo Charger or maybe Trik-L-Start to keep the chasis batteries fully charged when the RV is not in use. Any suggestion?
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