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Old 11-21-2014, 03:20 PM   #61
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My heaters are 12 volt. I thought that perhaps the charge rate off the truck while driving would be more than the draw rate. Perhaps not?!
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Old 11-21-2014, 03:30 PM   #62
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Tank heaters come on with a sensor with the switch on, They come on when it hits 40 degrees or less in the underbelly and heats until the tank reaches 60. They will stay on and hold until your underbelly is above 40 degrees. They are 12 volt and pull around 12 to 16 amps DC. Is my understanding. People say why heat your black tank to 60? It's because they are all hooked together and the plus is that your drain line valve will not freeze. If your drain lines are exposed there should be heat tape wrapped around that area. That is what my dealer told me.
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Old 11-21-2014, 04:01 PM   #63
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Unless you add aux charging equipment, Your TV will not supply sufficient power to keep the battery charged while driving with the tank heaters on. Main reason is the 12V aux wire in the TV harness is not large enough.
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Old 11-21-2014, 06:18 PM   #64
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Wire your truck/trailer connector to charge the batteries.....12vdc problem solved, if you have dual alternators like the cool kids....
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Old 11-22-2014, 03:21 AM   #65
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Quote:
Originally Posted by Flybob View Post
Unless you add aux charging equipment, Your TV will not supply sufficient power to keep the battery charged while driving with the tank heaters on. Main reason is the 12V aux wire in the TV harness is not large enough.
That is very good point. I'm not sure how many amps that wire would be able to carry, what I do know is those tank heaters pull a lot of amps. Might work if your tanks where up to temp 60 degrees already. By any chance would anyone know what amps your TV puts out to the trailer?....
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