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Old 09-24-2012, 03:51 PM   #15
3 Rivet Member
2012 25' FB Flying Cloud
Grand Rapids , Michigan
Join Date: Sep 2012
Posts: 166
The mystery continues and I suspect a couple of you folks have isolated the issue.

I tested the receptacle on the Jeep. There is no power with the ignition off and there is power with the ignition on. I tested across the positive and negatives located at 1 and 7 o'clock and left the lead on negative at 7 and tested across all the others. Nothing except at the positive 1 o'clock position with the ignition on.

I checked all interior lights on the Jeep and nothing was left on. In the trailer everything was off except for the radio with subwoofer does light up whenever power is restored. (Has to be shutoff again after a power restore). Nothing else was on. No storage lights, not the frig...nothing.

I talked to the RV service center and they said to unplug the rig when parked because it will draw from the vehicle if the house batteries are put in the store position. I also wonder if the trailer breaks draw some power though now I'm really guessing.

Bottom line: it is probably best to disconnect power from the TV when not in use.

Thanks for all your comments!!

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Old 09-26-2012, 06:23 PM   #16
Master of Universe
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2008 25' Safari FB SE
Grand Junction , Colorado
Join Date: Sep 2007
Posts: 10,919
The subwoofer does draw some power as it does not have an off switch (some may have it under the dinette seat and it is relatively inaccessible). I installed a switch and leave it off a since a subwoofer seems silly in a trailer, but I'm not 20 years old. The TV antenna booster, if left on, also takes power. And the battery disconnect may not work properly.

The igniters on the fridge, furnace and water heater also take power when in propane mode.

This does not explain the Jeep dead battery so long as the charge line was not hot when the Jeep was off. Have you had the Jeep battery tested? A door may have been enough ajar to cause lights to be on, but you wouldn't know if you didn't notice the door was slightly open and the light wouldn't be on to tell you when the battery died.


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