Hi there, I am replacing a water heater in an RV and the previous ground wire is bad. The positive supplies 12.7 volts about. There is a Gas Leak Detector nearby with a good ground wire. Can I connect the water heater to this same ground wire? My concern is that the Gas Leak Detector is directly connected to the chassis battery as a backup and is technically always on, while the water heater has a switch that cuts power to it. Will connecting the water heater to the existing ground wire be an issue?
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