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Battery voltage question.


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Posted

My voltage is weird to me. At rest(off) I'm at like 12.5. But when I start I only go to like 13.5-13.9. Never hit 14. And I don't have my subs on. I have a 117 amp alt. stock. And a large battery. Can remember brand but it's the gold edition from advance auto parts. 1000 ca. But why is my voltage so low? And I have a big 3 in. 4gauge.

1999 Durango

Current

2 15" DC level 3 15s

kenwood HU

Cresendo bc2000

Big 3 upgrade

Sky high car audio wire

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Posted

Anyone??

1999 Durango

Current

2 15" DC level 3 15s

kenwood HU

Cresendo bc2000

Big 3 upgrade

Sky high car audio wire

Coming soon

Cresendo c1100.4

double din

New Build log

http://www.stevemeadedesigns.com/board/topic/168661-99-durango-dc-audio-package-in-and-box-almost-done/?p=2464991

Clean Build log

http://www.stevemeadedesigns.com/board/topic/171619-dc-audio-durango-clean-build/

Posted

well i have stock alt an big 3 done in 0 guage an i hit about 14 when car is running maybe upgrade to 0 guage an if your gettin alot of voltage dropping upgrade alternator to ho alt or upgrade battery

Posted

also dont expect to get crazy volts of a stock setup its not gonna happen if your running 13.5 or around there stock this is normal i would think an doing the big 3 isnt ment to help your voltage its just ment to conduct the power you already have better an get you ready to upgrade alt or batt

Posted

voltage regulator set point.

CURRENT SYSTEM:

  • Alternator:
    1. Stock alt on mids/highs
    2. Isolated DC Power 270 SP - Charging @ 16.8v
  • Batteries: (2) XS D1400s
  • Power Cable: Double Runs of 1/0 KNU Kolossus Fleks
  • Headunit: 80-PRS
  • Sub Amp: DC 5.0k
  • Subwoofers: 2 RE MT 15s /PSI dual .7ohm recones
  • Subwoofer Enclosure: 9.1cubes @ 32hz - brutal.
  • Mids & Highs Amp: CT125.4
  • Active Components:
    • Mids RE XXX 6.5c
    • Highs - 3 RE XXX tweeters per side(A pillar)
  • Noise Control: Damplifier Pro all over the cab.

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Posted

The Big3 is meant to reduce voltage drop when you're conducting current.

Sitting idle, you may not notice much.

You're probably sitting in the 13's because your CPU is setting your alternator at that level.

To raise the voltage you could try a voltage boost module or aftermarket alternator with alternate controls (external regulator).

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Posted

your battery rests low too. charge it up.

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Posted

I'm planning on getting a HO alt. but need a bit of money first.

1999 Durango

Current

2 15" DC level 3 15s

kenwood HU

Cresendo bc2000

Big 3 upgrade

Sky high car audio wire

Coming soon

Cresendo c1100.4

double din

New Build log

http://www.stevemeadedesigns.com/board/topic/168661-99-durango-dc-audio-package-in-and-box-almost-done/?p=2464991

Clean Build log

http://www.stevemeadedesigns.com/board/topic/171619-dc-audio-durango-clean-build/

Posted

Can anyone recommend a good regulator?

1999 Durango

Current

2 15" DC level 3 15s

kenwood HU

Cresendo bc2000

Big 3 upgrade

Sky high car audio wire

Coming soon

Cresendo c1100.4

double din

New Build log

http://www.stevemeadedesigns.com/board/topic/168661-99-durango-dc-audio-package-in-and-box-almost-done/?p=2464991

Clean Build log

http://www.stevemeadedesigns.com/board/topic/171619-dc-audio-durango-clean-build/

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