Voltage Drops

[KickerSoItBump 10+ year member]

Today I'm getting my new 15's installed, and um on the way home from work, i saw the volt meter on my dash going up an down w/ the bass from my 2 12's that are only on 300 watts.

I'm adding a battery in the trunk (dont really want to have an argument here about how it helps or worsens the alt) but i was wondering if that means i need a

A: Cap

B: Big 3

C: HO Alt

Im going to b on a budget, so HO alt is my last real option i will take. Opinions welcome, and mainly wondering if this normal to see voltage drop like that.

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[scarolina 10+ year member]

big 3 is a must

 

[blackbonnie 5,000+ posts]

go with your big three before anything, i would ecspecially do the big three before you add another battery

 

[TIeclipseMOJO 10+ year member]

big 3 ftw. are you just going up to 15s and staying with a 300 watt amp or something?

 

[blackbonnie 5,000+ posts]

big 3 ftw. are you just going up to 15s and staying with a 300 watt amp or something?

well i would hope he wouldnt do that. im sure he is gonna upgrade the amp.

 

[Chevyaudio 5,000+ posts]

Big 3

 

[Lakota 5,000+ posts]

I wouldn't be too concerned about a cap...

Try the big 3 first.

 

[Miguel A 10+ year member]

I would diff do the big 3 and if it still dims go with a yellow top or better for the rear battery should be very lil dimmimg someone can correct if I'm wrong

 

[krisfnbz 10+ year member]

def do the big 3 as everyone said

 

[audiobahnuser18 5,000+ posts]

BIG 3 First FTW