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Old 04-24-2011, 09:56 PM   #15
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I would in stall a completely SEPERATE batt for the genset.

You say its a silly setup ?? silly doesn't begine to describe how dumb it sounds to be.

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Old 04-25-2011, 06:43 AM   #16
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I would have the generator start of the chassis batteries. Its funny some Newmar coachs start off the chassis some the house. The house batteries are not designed to provide engine starting power. It is a poor design to start off the house batteries. As you have found out if the house batteries go down you cannot start the generator to charge them. A low battery cutoff will also help.

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Old 04-25-2011, 07:19 AM   #17
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Originally Posted by Steve480 View Post
...Should the heater (propane heat, but i guess battery sparked and dc fan to push air?) drain the house batteries overnight?...

Thanks, Steve
In my experience two 6V batteries will not power the furnace fan for the night, unless it's not that cold in the first place. And if it's not that cold, why bother with the furnace anyway? Just throw an extra blanket on the bed.

Most people who boondock in cold weather use a catalytic heater for heat. These heaters run 100% on LP and do not use any electricity. Although they are not supposed to give off carbon monoxide, they will use up the oxygen in the RV so you need to keep a window cracked.
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Old 04-25-2011, 07:59 AM   #18
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Lots of great replies here! Something similar happened to me this winter while boondocking in New Jersey. Now I know what to do if it happens again!
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Old 04-25-2011, 08:32 AM   #19
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Originally Posted by ahicks View Post
I would have thought holding down the aux. battery/emergency start switch would have done the trick for you? It's supposed to work in BOTH directions. Starting the engine or starting the generator. Simply, it hooks the coach and engine batteries together while the button is held down. Just like a jumper cable from the coach to chassis batteries would do.

On my Intelletec BCC (Battery Control Center) schematic it shows a lovely pair of diodes so that either House or Chassis battery can provide power to the Aux-start/Emer-Start relay to "jump" the other set.

Many, coaches do not have that however, ONLY the house can power that relay, and if the house is dead, starting the engine is the only other option to join the packs up.

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