WTF why the voltage drop after big 3.

[cdimic25 10+ year member]

Well before i did the big 3 my voltage was 13.5 on "back it up" and now once i did it its 12.8!!! Is this because now my 2 1500ds are acually getting enough power to do a drop? BTW stock batterrys in the trunk if that helps? I ran 1 awg to alt, grounded chassis, grounded negative and also my batcap is grounded to negative as well...

Thanks

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[BoomBoomBoy 10+ year member]

Doing the Big 3 doesn't solve an inadequate electrical system. All it does is lower resistance by adding more copper. Copper wire isn't the best conductor and it will only go so far. Think getting a HO alternator if it bothers you that bad.

Does your amp have a regulated power supply? If it does, it should still make full power in a given voltage range.

 

[cdimic25 10+ year member]

its rated at 12.8 but id still like to get more out of it, and a 160 is the biggest you can get in a charger

 

[BoomBoomBoy 10+ year member]

Look I told you how it is. You go from there. //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif