Is this true?
I have a Northstar 8.5 Arrow mounted on my 2015 Chevy 2500, 4X4, long bed, single rear axle. A friend told me that when the truck motor is running that it is supplying power to the camper's on boar...
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My 2015 GMC 3500HD has an optional heavy duty auxillaruy battery and the power wire is always hot. There is a solenoid that disconnects it from the starting battery. I did not have to install a fuse on stud 1 as in my 2005 Silverado. As already stated the truck will charge the TC battery while it is running, You have to plug into 120 volts to have the TC's onboard charger charge the TC's batteries.
