ilandgreen

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On my last RV trip, a house battery cable broke and shorted out on the frame causing one of the battery posts to melt away. When it happened the parking brake light and alarm came on, I lost the cameras, when I pulled over the steps wouldn't extend. I was able to disconnect the battery and crawled my fat but back into the RV and was able to find a place to sell me a new battery and cable.
Since that happened, I replaced all the house batteries and cables, but the parking light and alarm still goes off while I am driving, the cameras stop functioning. when I stop the stairs don't extend, the slides or jacks don't function. I am unable to see the voltage of RV batteries or the tank levels.
However, I have found a work around, when the issue starts, I hit the AUX battery boost switch and hold it down while I am driving. after holding it down for a minute everything goes back to normal. If the Generator is on it doesn't seem to happen.
The voltage on the RV batteries seems to be fine. Any thought?
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wolfe10

Texas

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Please tell us what RV and what chassis you have.
Brett Wolfe
Ex: 2003 Alpine 38'FDDS
Ex: 1997 Safari 35'
Ex: 1993 Foretravel U240
Diesel RV Club:http://www.dieselrvclub.org/
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enblethen

Moses Lake, WA

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Once we know what rig you have, more help.
Sounds without that info, you have blown a main battery fuse.
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CA Traveler

The Western States

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Perhaps the house battery is not being charged while driving. The short could have blown fuses or the aux start solenoid etc.
2009 Holiday Rambler 42' Scepter with ISL 400 Cummins
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Grit dog

Black Diamond, WA

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enblethen wrote: Once we know what rig you have, more help.
Sounds without that info, you have blown a main battery fuse.
Yes it does, if everything works on generator or aux boost.
Presume that aux boost connects the house panel to the start battery. Likely bypassing the blown fuse or breaker.
Live short of the +house battery guaranteed blew the fuse or breaker between the battery and the house panel. That would keep 12V loads from working off the house batteries.
Cameras ( plural?) may be wired to the house?
Not sure how that translates to the parking brake light, presuming that is part of the chassis system and not the house?
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ilandgreen

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2015 Fleetwood Expedition 40x
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The Western States

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ilandgreen wrote: The voltage on the RV batteries seems to be fine. Any thought? Buy a voltmeter, learn how to use it and find out what's working and not working. And this information allows others to provide better suggestions.
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enblethen

Moses Lake, WA

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Locate your battery control center. Look for fuses/circuit from the batteries.
Don't know where battery control center is? Have helper operate battery disconnect switch, listen for loud click from relay.
You can also download from Fleetwood wiring diagrams.
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ilandgreen

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I checked the battery control Panel and all the fuses are good. Here are some more of the oddities that happen. It only seems to happen while I am driving or the engine is running. I can tun the ignition off, and it restarts without issue. After holding the battery boost switch, all goes back to normal, sometimes for 5 minutes other times an hour or two. If the generator is on it rarely happens if even at all. Thinking logically if it was a fuse, the problem wouldn't be intermittent, would it? Could the inverter have been damaged from the short and is causing this?
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ilandgreen

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That is another oddity that happens, the master batter disconnect also loses power to the switch, till I hit the aux battery switch.
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