turbovandy11 Posted April 17, 2012 Report Share Posted April 17, 2012 I have 2 batteries under the hood. I am running my power off the main battery now. Would I get more voltage to my amp if I run a ground from the back to the main battery and another power wire from my secondary battery and even run another power from the main Link to comment Share on other sites More sharing options...
Jessica Posted April 17, 2012 Report Share Posted April 17, 2012 You would do better by upgrading you power wire from your alt to your main battery and the ground up front from the engine to the frame or strut bolt. As far as the power wire to the back it depends on what guage it is and what you are running off of it. You'll need to provide that info to get better help.Plus make sure you are grounded from the rear battery to the frame or a strut bolt. Rest in peace, walled 87 accord build log 03' Corolla build with AA Mayhem inside. My super random youtube channel and terrible camera work. Wiring comparison by CaptainzPlanetz Wire and fuse guide by Guest SyKo13 Link to comment Share on other sites More sharing options...
turbovandy11 Posted April 17, 2012 Author Report Share Posted April 17, 2012 I have 0 gauge wire powering a saz2000d amp with a stinger spc5050 capicator and running 2 vvx12 Link to comment Share on other sites More sharing options...
jrchevy87 Posted April 17, 2012 Report Share Posted April 17, 2012 Personally I would do both, run a seperate ground and do the frame grounds. U never can have too many grounds Jeep Wrangler TJ Hardtop Build Link to comment Share on other sites More sharing options...
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