MaxPayne Posted May 26, 2021 Report Share Posted May 26, 2021 Had to ask this because I can’t find anything on google, probably not searching right, so I have 3 batteries in trunk by subs/amps and does each battery needs its own ground correct? Or since their in parallel, could I just ground the battery that has my main power wires coming from the engine, and use that battery to ground the other two?. I have all 3 grounded to there own ground now and wanted to triple check. Any help or input would be super gnarly thanks Link to comment Share on other sites More sharing options...
Dafaseles Posted May 26, 2021 Report Share Posted May 26, 2021 11 hours ago, MaxPayne said: Had to ask this because I can’t find anything on google, probably not searching right, so I have 3 batteries in trunk by subs/amps and does each battery needs its own ground correct? Or since their in parallel, could I just ground the battery that has my main power wires coming from the engine, and use that battery to ground the other two?. I have all 3 grounded to there own ground now and wanted to triple check. Any help or input would be super gnarly thanks Either way it's fine. Wiring them parallel essentially makes them 1 battery. You'd still need the same amount of grounding to ensure that you have enough, but it doesn't matter which battery or batteries it comes off of 2011 Chevy Silverado under construction My build log here. Check it out! Link to comment Share on other sites More sharing options...
MaxPayne Posted May 27, 2021 Author Report Share Posted May 27, 2021 Word, I got all three grounded to frame. Amps grounded to frame to and not batts. My XX battery charger is trash btw, noticed this yesterday afternoon and so I put different charger on there and 😬😬 what a difference. Link to comment Share on other sites More sharing options...
MaxPayne Posted May 27, 2021 Author Report Share Posted May 27, 2021 One more thing just to quadruple check, I’d use the last battery in the parallel series for amps and not second or first right? Just trying to gain knowledge. I never have system on while truck off so I don’t have isolator. Man I have a billion questions no lie Link to comment Share on other sites More sharing options...
Dafaseles Posted May 27, 2021 Report Share Posted May 27, 2021 1 hour ago, MaxPayne said: One more thing just to quadruple check, I’d use the last battery in the parallel series for amps and not second or first right? Just trying to gain knowledge. I never have system on while truck off so I don’t have isolator. Man I have a billion questions no lie It doesn't really matter which battery you get power from either. As long as you have sufficient power and ground cables running between them (or bus bars) the cells should all stay even throughout the battery bank. Ask away. We're down to help as much as we can 2011 Chevy Silverado under construction My build log here. Check it out! Link to comment Share on other sites More sharing options...
MaxPayne Posted June 25, 2021 Author Report Share Posted June 25, 2021 Word homie, appreciate the knowledge my dude. I had everything right but just wanted to double check. Anything to get that extra power 🤙🏻🤙🏻 Link to comment Share on other sites More sharing options...
Dafaseles Posted June 25, 2021 Report Share Posted June 25, 2021 46 minutes ago, MaxPayne said: Word homie, appreciate the knowledge my dude. I had everything right but just wanted to double check. Anything to get that extra power 🤙🏻🤙🏻 Yessir! 2011 Chevy Silverado under construction My build log here. Check it out! Link to comment Share on other sites More sharing options...
MrSkippyJ Posted June 25, 2021 Report Share Posted June 25, 2021 On 5/27/2021 at 4:59 AM, MaxPayne said: Word, I got all three grounded to frame. Amps grounded to frame to and not batts. My XX battery charger is trash btw, noticed this yesterday afternoon and so I put different charger on there and 😬😬 what a difference. just to add to everything said here, you can absolutely connect the negative side of your amps to the batteries. F150: Stock 2019 Harley Road Glide: Amp: TM400Xad - 4 channel 400 watt Processor: DSR1 Fairing (Front) 6.5s -MMats PA601cx Lid (Rear) 6x9s - TMS69 Link to comment Share on other sites More sharing options...
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