Dual batteries

Walnutz

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Just wondering what the main purpose of this option is on the 7.3L? Is it designed to be able to run more lights and plug in chargers etc while not draining the main starting battery? If you need to jump start the truck can either be used? I received this option at no cost by mistake so wanting to get an understanding as to how it works. Thanks!
 

Chris21667

Stilling Recovering my Jeeps, with Tremor power
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Just wondering what the main purpose of this option is on the 7.3L? Is it designed to be able to run more lights and plug in chargers etc while not draining the main starting battery? If you need to jump start the truck can either be used? I received this option at no cost by mistake so wanting to get an understanding as to how it works. Thanks!
yes run lights, winches, whatever really but do you have the 397 amp alternator as well? because if so.... mostly thats great... but i would use the main right on the passenger side because that where everything is set up to but it would be a good test to see if there is any difference.... it will also you to leave light on without the truck being on as you have dual batteries normal one battery you would have maybe a hour with 2 batteries you have 2 hours don't go off that but just using as a example
 
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