New House Batteries Now No DC Power
I'm running out of troubleshooting ideas...... DC power was working normally except for house batteries (2) not holding a charge (four hours or so to flat). Batteries were 8 years old and tested b...
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So, not long after posting I figured it out.
The ring terminal of the ground wire coming from the water heater has a red plastic insulator. The battery guy forgot that it was a ground, got fooled by the red, and hooked it to positive. Looking at the wiring to the batteries I, too, saw the red of the ring terminal and thought it was positive.
After a while I decided to get back to basics because the camper left with old batteries and a working DC system, and came back with new batteries, an inoperable DC, and the installer had only touched the parallel wiring of the batteries.
I traced the red-ringed cable, realized it was a ground, switched it to negative, and voila.
Thanks for the replies.
The ring terminal of the ground wire coming from the water heater has a red plastic insulator. The battery guy forgot that it was a ground, got fooled by the red, and hooked it to positive. Looking at the wiring to the batteries I, too, saw the red of the ring terminal and thought it was positive.
After a while I decided to get back to basics because the camper left with old batteries and a working DC system, and came back with new batteries, an inoperable DC, and the installer had only touched the parallel wiring of the batteries.
I traced the red-ringed cable, realized it was a ground, switched it to negative, and voila.
Thanks for the replies.
