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
I agree that the issue is likely the isolator. They look like one of these.
This is the cheaper mechanical type most commonly installed because they cost around $15-$20
This type is more reliable but not very common because of the cost around $50.
Unfortunately they can be mounted most anywhere in the rig, but the popular location is under the hood near the alternator.
Our first motor home had a Toyota chassis and the cheaper mechanical isolator which burned up and almost damaged an adjacent wire harness, just melting the black wire jacket alone. I replaced it with the better type which never gave me trouble over 15 years and I sold the rig with it working. You can see the better blue one in this picture in the lower-right area.
This is the cheaper mechanical type most commonly installed because they cost around $15-$20
This type is more reliable but not very common because of the cost around $50.
Unfortunately they can be mounted most anywhere in the rig, but the popular location is under the hood near the alternator.
Our first motor home had a Toyota chassis and the cheaper mechanical isolator which burned up and almost damaged an adjacent wire harness, just melting the black wire jacket alone. I replaced it with the better type which never gave me trouble over 15 years and I sold the rig with it working. You can see the better blue one in this picture in the lower-right area.
