audiofreak2989 Posted July 18, 2011 Report Share Posted July 18, 2011 If you added a new battery in the back the battery under the hood would drain the new battery voltage. unless you have an battery isolator Quote Link to comment Share on other sites More sharing options...
89boxchevy Posted July 18, 2011 Report Share Posted July 18, 2011 If you added a new battery in the back the battery under the hood would drain the new battery voltage. unless you have an battery isolator ive done it quite a few times with out a isolator and never had a prob some were a yr or so and some were a few months Quote 89 Chevy Caprice (is under construction) dual alts 4/0 welding cable for wire red top under hood 3 yellow tops behind the front seat ( who needs a back seat anyways lol) big 3 of course Eclipse 3000 interiors are getting rebuilt now 2 crescendo bc2000 2 shocker sig 12s rebuild pics Link to comment Share on other sites More sharing options...
soccer123x Posted July 21, 2011 Report Share Posted July 21, 2011 yea i used a regular battery under the hood Quote Link to comment Share on other sites More sharing options...
onebadmonte Posted July 21, 2011 Report Share Posted July 21, 2011 Gotcha, So if I got a Shuriken battery for the trunk and kept the one up front would it cause any problems? If you let the car sit for an extended period of time the batteries would end up draining each other. It fight this it is recommended to use an industrial relay (200+ amps) or a battery isolator. This is only if the vehicle will sit for an extended period (a month or more). If you are using this vehicle on a daily basis everything should be fine. Quote Warhorse vs A Pair of SMDeez build Olds Cutlass Cierra IB build 2 Fi IB3 18s Link to comment Share on other sites More sharing options...
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