ragingmenace76 Posted March 13, 2021 Report Share Posted March 13, 2021 So just a general knowledge question i would guess. Right now i have single run of 1/0 +an - running from under hood battery to battery in trunk. 2 runs of 1/0 from alternator to front battery. All 1/0 grounds under hood. would it make a difference running the positive to rear battery from the alternator as well as ground or do i have it correct already? have d3400 xs power under hood and d3100 in the trunk. Running American Bass 120.1 sub amp on American bass HD12 . Skar 400.4 on set of Skar SPX 6.5 components and 4 Skar FSX 6.5 mids. Link to comment Share on other sites More sharing options...
Dafaseles Posted March 13, 2021 Report Share Posted March 13, 2021 I would do at least 1 more run between batteries, if not 2. What size alternator are you running? 2011 Chevy Silverado under construction My build log here. Check it out! Link to comment Share on other sites More sharing options...
ragingmenace76 Posted March 14, 2021 Author Report Share Posted March 14, 2021 Running a 240 amp Mechman HO . Link to comment Share on other sites More sharing options...
Dafaseles Posted March 14, 2021 Report Share Posted March 14, 2021 As long as you've done the big 3 upgrade, seems fine. You wouldn't benefit from splitting the alternator runs to each battery. If you hook your batteries up in parallel, it essentially becomes one battery. But to move electricity more fluidly between the batteries, I'd add a run or 2 2011 Chevy Silverado under construction My build log here. Check it out! Link to comment Share on other sites More sharing options...
ragingmenace76 Posted March 14, 2021 Author Report Share Posted March 14, 2021 OK wasnt sure if it made a difference or not going to be going to lithium in trunk as well and hope i can get a second run through firewall kinda tight with just 1 may have to go under car with them . Thank you for your input greatly appreciated Link to comment Share on other sites More sharing options...
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