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Old 08-06-2012, 02:32 PM   #1
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2004 28' Safari S/O
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TV battery drain

With the 7way connected, over time, will the trailer start to drain the TV's batteries? Thanks
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Old 08-06-2012, 02:37 PM   #2
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If no one knows for your specific vehicle (which you didn't specify), the easiest way to tell would be to check voltage at the +12 charge line terminal in the 7-pin connector with the engine off. If you see voltage, it has constant power and will be connected to the camper when the engine is off. Many of them are switched, though, to prevent this. In fact, even if we do know how it should be wired, you should check anyway.
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Old 08-06-2012, 03:03 PM   #3
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2004 28' Safari S/O
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My TV

My TV is a 2011 Ford 250 diesel. I am talking about when the TV is not running and am parked at say a rest area for the night. Thanks
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Old 08-06-2012, 03:30 PM   #4
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As Skater says, depends on the specific vehicle, and you can test to see if there is 12 volts on one of the pins of your TV connector to be sure. If you have 12 volts on one of the pins when the TV is not running, your trailer and your TV will be interconnected and you could run the battery down. If no 12 volts is present it won't happen.

My 2012 Jeep Grand Cherokee has 12 volts at the TV connector all the time, so it is interconnected. Yours may or may not be, depending on what Ford did.
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Old 08-06-2012, 03:56 PM   #5
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Thanks to all
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Old 08-07-2012, 09:32 AM   #6
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My Ford F150 cut the power to the TT plug when the TV engine waws off ... but I carried a gen just in case...
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