soundstream15 Posted October 18, 2016 Report Posted October 18, 2016 I have a unibody car, 08 grand prix. do you recommend grounding from the rear you the front to either the alt or battery? or does it not matter.
ShadeTreeMechanic Posted October 18, 2016 Report Posted October 18, 2016 It depends on how much power you are running. 91 C350 Centurion conversion ( Four Door One Ton Bronco) 250A Alternator (Second Alternator Coming Soon) G65 AGM Up Front / Two G31 AGM in Back Pioneer 80PRS CT Sounds AT125.2 / CT Sounds 6.5 Strato Pro component Front Stage CT Sounds AT125.2 / Lanzar Pro 8" coax w/compression horn tweeter Rear Fill FSD 5000D 1/2 ohm (SoundQubed 7k Coming Soon) Two HDS315 Four Qubes Each 34hz (Two HDC3.118 and New Box Coming Soon)
soundstream15 Posted October 18, 2016 Author Report Posted October 18, 2016 rear batteries/amp. DC audio 5k
ShadeTreeMechanic Posted October 18, 2016 Report Posted October 18, 2016 With 5k you would want to ground to the body as well as a dedicated ground front to back. Are you planning to run an H.O. alt? 91 C350 Centurion conversion ( Four Door One Ton Bronco) 250A Alternator (Second Alternator Coming Soon) G65 AGM Up Front / Two G31 AGM in Back Pioneer 80PRS CT Sounds AT125.2 / CT Sounds 6.5 Strato Pro component Front Stage CT Sounds AT125.2 / Lanzar Pro 8" coax w/compression horn tweeter Rear Fill FSD 5000D 1/2 ohm (SoundQubed 7k Coming Soon) Two HDS315 Four Qubes Each 34hz (Two HDC3.118 and New Box Coming Soon)
8ten8 Posted October 18, 2016 Report Posted October 18, 2016 For sure the big3 or 4. Amp to chassis, and if you have enough 1/0 or 2/0, go straight back to the negative terminal on your starting battery. If you don't have enough to run to the front, negative to the chassis is ok too
soundstream15 Posted October 18, 2016 Author Report Posted October 18, 2016 guess I should of said my electrical lol I got a 240a alt, 2 g31s in the rear and d34 up front
8ten8 Posted October 18, 2016 Report Posted October 18, 2016 Check out Maxxsonics tutorial on YouTube. Big3 tutorial, alternator tutorial and battery tutorial. Great info. Good luck
soundstream15 Posted October 18, 2016 Author Report Posted October 18, 2016 big 3 is done, lol I'm asking about grounding rear batteries to front instead of chassis...
8ten8 Posted October 18, 2016 Report Posted October 18, 2016 Run the rear negative to the front negative. That's the best way.
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