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Is it ok to wire a multi-battery system like this


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so this would be good for a daily driver and local new orleans area crank it ups and scraping the coast type stuffing. cause right now it his only ride, saving up to put down on a vette. then it will just be car show type stuff

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Sorry I disagree with that vid

I have tested my car with just backk chassie ground the ground from batt to batt and tested again with batt and chassie ground

I gained .3 volts with the batt to batt ground vs just chassie ground and gained .1. More volt with batt and chassie ground together

Needless to say all my systems have front to back and chassie grounds .4 volts is alot

Have you ever had your woofers blown?

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Not to thread jack, but I previously had my system ground with a - wire front to back with no chassis ground. had just a tiny drop at idle. none while revving. Redid my wiring and now I just have my back battery and amp grounded to chassis. At idle I drop down to 12v at full tilt. drops to 13 while driving. Now I am going to have to rewire again lol. And I do have the paint sanded on a ground straight to the frame. I'm only running under 4k watts and i have a 270 amp alt, d3400, and shuriken bt80. So there shouldn't be any voltage drop at all. I agree that a wire front to back will do better in some setups.

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thanks guy for all this info, much needed

2006 Suzuki Hayabusa GSX1300R Limited Edition


2006 Dodge Charger SXT

Kenwood Excelon KDC - X692

Factory Boston Acustics System upgrade (7 speaker system)


2010 Chevy Tahoe LS

Pioneer AVIC - Z130

Audiopipe AP-2004

Audiopipe AP-15001D

(2 pair) Boston Acoustics PRO60SE 6.5 - changed to Polk Audio MM6501

(2) Planet Audio BB215D - changed to Lanzar Opit 1533d for now FREEBIES

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Wait I must be wrong there iis a youtube vid showing so I no longer have to test things for myself ill just do what youtube says and watch all the exo vids to learn lol

Every car is different. You have to keep that in mind.

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Wait I must be wrong there iis a youtube vid showing so I no longer have to test things for myself ill just do what youtube says and watch all the exo vids to learn lol

Every car is different. You have to keep that in mind.

No way!!! really?

guess my sarcasim was over looked

Have you ever had your woofers blown?

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Its amazing how many people swore up and down that you always needed equal runs of the same gauge cables from the front to rear, until this video came out. I wonder how much bad information about running cables was given out before this video. And where did the whole run cables instead of chassis ground even start?

this is still true for high power systems. they did state its only good for a bit of watts. if youre going to run 30,000 then you will need shit load of wire to run power and ground

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I would run at least 1 dedicated ground cable if you're over 2KW. The chassis/motor/alt/battery ground system isnt always perfect, even with a "big 3."

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Any time you have have a power wire next to your frame put some rubber hosing (or cut up an innertube) around it. The wire is bound to wiggle (due to driving or flex) and the casing will eventually wear through.

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Yes do a ground run front to back like the power.

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