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Voltage Drop


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I hooked up my volt meter the other day and with the car running it stayed right around 13.8 or 13.9 with some music on about 50-60% it was dropping to 13.4 or 13.2. with ONLY 2 5x7's. im worried once i get my 1000w RMS amp and hook up 2 12's the drop is going to be extreme. is there anything i can do to help this?

1999 Dodge Caravan

[TrashMobile]

8ga Power/Ground

AudioPipe APSM-1300 (subs)

Scosche 550 (mids/highs)

Boss 735UA Headunit

(2)Hifonics HFi12D4

Still Under Major Construction..

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h/o alt more batteries big 3

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2011 Chevrolet Silverado LTZ

2 XS Power D3400

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2 Murdered Out Black DC LVL 4 15s With XL Recones(with 1 extra spider pack a piece)

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1 MB Quart 60.4

1 Set RF T1 6x9s Up Front

1 XS Power D3400(Front)

1 XS Power D3400(Back)

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SoundStream Vir 7870bt

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do the big 3 then go from there add a battery or just an alternator so you dont have to get another battery for 1krms you wont get too much draw even with what youre seeing now, i dont think u would drop under your resting battery voltage with 1k

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Theres lots you can do. Better battery, bigger wiring, HO alt :)

HO alt is just out of the question. and i cant afford any xs power batteries or anything like that. would i just get a standard auto battery. but much bigger lol im a noob.

1999 Dodge Caravan

[TrashMobile]

8ga Power/Ground

AudioPipe APSM-1300 (subs)

Scosche 550 (mids/highs)

Boss 735UA Headunit

(2)Hifonics HFi12D4

Still Under Major Construction..

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What's the resting voltage of your battery? Hopefully the big 3 is completed, and the alternator will dish out max possible when required. A 270 amp alternator is not continuously putting out 270 amps. Upgrade your battery should be enough for 1,000rms

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What's the resting voltage of your battery? Hopefully the big 3 is completed, and the alternator will dish out max possible when required. A 270 amp alternator is not continuously putting out 270 amps. Upgrade your battery should be enough for 1,000rms

12.4 without big 3

1999 Dodge Caravan

[TrashMobile]

8ga Power/Ground

AudioPipe APSM-1300 (subs)

Scosche 550 (mids/highs)

Boss 735UA Headunit

(2)Hifonics HFi12D4

Still Under Major Construction..

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Share on other sites

And don't get just a standard battery. They're not designed for the discharge required by car audio. Obviously, they will work, but you're better off getting something applicable. Not all XS batteries are $300+. PM Corona_Jeff

Tell me...does this smell like chloroform to you?

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And don't get just a standard battery. They're not designed for the discharge required by car audio. Obviously, they will work, but you're better off getting something applicable. Not all XS batteries are $300+. PM Corona_Jeff

What size or model number would i need?

1999 Dodge Caravan

[TrashMobile]

8ga Power/Ground

AudioPipe APSM-1300 (subs)

Scosche 550 (mids/highs)

Boss 735UA Headunit

(2)Hifonics HFi12D4

Still Under Major Construction..

Link to comment
Share on other sites

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