Coach Battery
For some reason my coach battery will not charge when the engine is running. It used to. I have checked all of the fuses and all looks good. It will charge with the gen. or plugged into shore power. W...
Forum Discussion
Sounds as though your battery isolator is permanently isolating; troubleshoot that circuit. Often it's basically a solenoid (as in a heavy-duty relay) which is switched in at the appropriate times. The problem could be this solenoid unit itself, or the control wire/logic to turn it on, or a fuse in the line, or a connection at either end...
Sometimes the isolator is not a solenoid but a heavy-duty diode device. Similar troubleshooting applies, though some of the specific details are a bit different.
Sometimes the isolator is not a solenoid but a heavy-duty diode device. Similar troubleshooting applies, though some of the specific details are a bit different.
