The house batteries in my trailer did not want to hold a charge anymore. I replaced them with new batteries and I thought that would do the trick. It did seem to make things better, for a while at least. A month later and the lights in the RV were dimming again. These batteries are brand new so I knew that I must have another problem. I got out my multimeter and started troubleshooting. I checked the batteries with the cables removed. I had low voltage across the batteries. Next, …

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