Quote:
Originally Posted by Yosemitebob
A lot more info is really needed. How long does your coach sit between uses. Yes, You said the house batteries are plugged in all the time, that's good but that won't charge your chassis battery. There is also a parasitic drain on your chassis battery. A knife switch is a perfect answer, but will not tell you why it is draining. so back to the question, how long does it sit between uses. And yes, your dash radio is hooked up to your house batteries.
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It can sit for weeks between uses. The first eight months or so we owned the unit, there was no problem. I ran the engine for 30 minutes about 4 days ago after using a battery charger. Started it up a few minutes ago with no problems. I'm thinking about increasing the time between engine starts by 24 hours at a time to determine how long the chassis battery can go before discharging sufficiently to prevent a start.
The first time the problem occurred, the unit had been sitting for 3 or 4 weeks without shore power connection and with house batteries disconnected. Started the generator off the house batteries and used a battery charger to charge chassis battery.
MikeAndMad
Thor Forums
