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Old 08-11-2018, 11:32 AM   #1
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Model: Chateau 31
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THOR #12360
constant current draw on Chateau 31

I have a 31 ft, 2005 Chateau. with all fuses pulled I still have a 2 amp. current draw measured at the battery. all lights are off and nothing 12V is on that I can find.....any suggestions where this could be coming from ? Is it possible that the generator has something making this draw ? any help would be appreciated.
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Old 08-11-2018, 12:01 PM   #2
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THOR #4735
Co2 detector and smoke alarm are possible
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Old 08-11-2018, 12:34 PM   #3
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THOR #1150
"keep alive" wire to the radio.
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Old 08-11-2018, 10:21 PM   #4
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THOR #12360
thanks, I'll check that. But 2 amp draw for a smoke detector sounds a little hefty
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Old 08-11-2018, 10:29 PM   #5
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THOR #8860
Install a bayonet style disconnect switch at the batteries :


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Old 08-11-2018, 10:46 PM   #6
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THOR #8995
Power Drain

Have you checked to make sure it is not the inverter? The inverter will draw power without any output load.
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Old 08-11-2018, 10:46 PM   #7
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THOR #1620
Yeah that is a lot of amperage for smoke detector. The wire to the radio(s) is a good start. The one in my coach will pull at least 1 amp and I always pull the fuse if I am not going to have it connected to shore power while setting. If you have an inverter, make sure it is turned off as it will use power just to be on. Clock radio in bedroom. GPS plugged in will be charging.
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Old 08-12-2018, 09:32 PM   #8
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THOR #7607
Many units have a rear radio too.
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Old 08-12-2018, 09:37 PM   #9
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THOR #4735
the only REAL way to defeat any and all 'silent' draws is to totally disconnect the battery(s).
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Old 08-12-2018, 09:53 PM   #10
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THOR #8860
I agree...
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Old 08-12-2018, 09:59 PM   #11
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Brand: Thor Motor Coach
Model: Chateau 31
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THOR #12360
I have no radio connected to this battery, no inverter. I was thinking something with the Onan gen, was drawing the 2 amp. guess I'll just install a knife switch disconnect at the battery till I find the problem...

Thanks for all the people that made suggestions
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Old 08-13-2018, 05:08 PM   #12
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THOR #2917
Are you drawing 2 amps after using your battery disconnect switch? I know you pulled all fuses, but shouldn't the battery disconnect switch prevent all 12 volt devices from drawing any current?
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Old 08-13-2018, 05:17 PM   #13
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THOR #8860
That's a pretty reasonable thing to believe

But it's just not what actually happens!
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Old 08-13-2018, 06:19 PM   #14
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THOR #8995
Battery

Hope that leaves you fixed up with the house battery. Remember the chassis battery (engine start) also has these ghost loads if the battery is not disconnected. I keep my shore line connected that charges the house batteries and occasionally trickle charge the chassis battery when stored for any length of time.
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