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Old 11-23-2017, 10:07 AM   #9
Carl n Susan
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Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,365
M.O.C. #4831
Quote:
Originally Posted by masterdrago View Post
<snip>.... Funny thing is, everything 12 volt seems to work - at least when connected to truck or shore power....
</snip>
12V items work on shore power because the converter is providing 12V for you. When connected to the truck it provides 12V to the system. With the key "out" there is no power to or from the the battery.

Insert the key, turn it "on" and life will be much better.
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Carl (n Susan)
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB

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