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Old 05-01-2010, 01:15 AM
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Kingfisher Kingfisher is offline
 
Join Date: Jun 2008
Location: Calgary
Posts: 1,742
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If it were me I'd put a mount bracket for the extra battery under the hood of the truck. Rather than putting it in the box.

I did this with my previous truck. What I did was not run an isolator, but I ran instead a relay which did the same thing. The relay was wired so that when the ignition was on it would activate the relay. Which would open the circuit between the batteries and it would charge both batteries when the truck was running. Then with the ignition off it would isolate the battery and just use the one battery for the camper. That way if it killed the camper battery I could still start my truck with the other one. Or if I was out for an extended period I could start the truck for a bit every day and charge up the camper battery.

The exact same thing as the isolator at 1/100th of the cost.

Rob
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