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Old 09-12-2015, 02:22 PM   #15
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Virago Rider I did not see your answer to very important question. How long does it set before the batteries go down.

The other question that has not been asked is how is the coach stored. Do you have power to it when it is in storage. If you have a small amount of power going to it when stored most coach inverter/charger will charge the coach batteries but a suprisingly large number of them do not charge the chassis battery. My 2005 tiffin does not. I have a small automatic battery charger that was added on to my coach after purchase. It keeps the chassis batteries charged and the inverter/charger keeps the coach batteries charged. Without being plugged in even with the switches off my batteries will discharge in a few weeks.
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Old 09-14-2015, 09:02 PM   #16
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Quote:
Originally Posted by gemini5362 View Post
Virago Rider I did not see your answer to very important question. How long does it set before the batteries go down.

The other question that has not been asked is how is the coach stored. Do you have power to it when it is in storage. If you have a small amount of power going to it when stored most coach inverter/charger will charge the coach batteries but a suprisingly large number of them do not charge the chassis battery. My 2005 tiffin does not. I have a small automatic battery charger that was added on to my coach after purchase. It keeps the chassis batteries charged and the inverter/charger keeps the coach batteries charged. Without being plugged in even with the switches off my batteries will discharge in a few weeks.

It seems to be a random occourance. There is no power to the camper when in the garage. But, I do start the engine and generator for 30 - 40 minutes each week. Most of the time, it is fine... But occasionally I go to start it and nothing. Battery shows 5 -6 volts. I can use the. Emergency start switch and start with the other two batteries. Once charged, it will be fine for a while.... Starts each week just fine.... Then one day.... Nothing again.


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Old 09-15-2015, 04:54 AM   #17
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Starting the MH is using more energy from your batteries then you are replacing in a half hour of running.

So every week your batteries are getting run down a bit more until they can't start it.

Try running it 1 hour, to give the alternator a chance to charge, or perfreably only start it once a month.

Even at once a month, you should run for an hour, at least. Better yet, go for a 2 hour ride.

A last option would be to only run the generator for an hour or so every week. The onboard charger should charge all of the batteries. If not, there is an inexpensive fix for that.

On of them battery to battery chargers. Trickle Start or a Battery Combiner.
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Old 09-26-2015, 02:48 PM   #18
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When I run the engine, I also run the generator. I have thought about a trickle charger / maintainer.


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Old 08-27-2017, 11:17 AM   #19
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Do you keep the toad connected? This will pull from the engine battery even if your disconnected. Our MH has a interesting quirk. All of smoke, gas, and monoxide detectors still stay on after battery disconnect. I had to reroute so I can store.
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Old 08-27-2017, 08:04 PM   #20
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Some coaches come with a trickle charger or battery minder for the chassis batteries. It gets its power from a 120 volt source in the coach, but will only charge when hooked to shore power or if the generator is running. The problem comes when there is no 120 volt power. The trickle charger will then slowly drain the chassis batteries. That along with the drain of a startup and only 30 minutes of run time will deplete the batteries. To prevent the drain, the fuse for the trickle charger needs to be removed when not on shore power. My coach was this way and the chassis batteries would go dead after a couple weeks. I removed the trickle charger and installed an Amp-L-Start. No more dead batteries.
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Old 08-27-2017, 08:57 PM   #21
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Had the same problem. Turned out after replacing the battery and alternator it was just a bad Battery Disconnect Switch. A $30 part and all is well. Try the easy stuff first.
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