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Excessive Amperage Alt **Tested @ 239a this morning**


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Seems weird that your dropping that low on only 2k.Have you tested both batteries? I battery can have a bad cell and still read the correct voltage.

Vehicle
2007 Chevrolet Avalanche(Co-Co)

DNX9980HD
6 Team Fi 15's(King Edition)
3 DC 9k's
8 Nendo PWX 8's
4 Custom Steg 4" Super Tweeters
1 DC Audio 175.4
1 DC Audio 90.4
Rockford 360.3
3 DC Power 370xp Alts(Externally regulated)
21 D1600's
2 D4800's
All SMD RCA's
AudioTechnix Deadner
Viper Alarm

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Seems weird that your dropping that low on only 2k.Have you tested both batteries? I battery can have a bad cell and still read the correct voltage.

this.

compare front to rear voltage. recheck your crimps. You didn't over tighten then power stud? If you break that or crack it, you'll kill output and probably your alt. Once you go below 13 you're dipping into battery power. So if you stay in the high 11s low 12s for a few, it'll take a second to charge your ish back up. I think you need a smaller pulley.

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200 as per spec..

Try a 250 or 300 just for S&G.

MickyMcD - "Capable of making some serious trouser flapping volumes at where's-my-testicles frequencies, the Servo-Drives used to be fairly jaw dropping..."

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.

Hammerdown... 1%

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Both batteries are basically brand new.. like less than 6mo old.. both resting In the 13s but I know as you said. That doesn't also mean their good. I'll do a few of those suggestions and get back to you all on that.

Measure voltage at bat instead of amp to see if drop is the same:

Try bigger fuses:

When I took it the alt to get load tested. The guy mentioned that I couldn't use a smaller pulley as its already the smallest I could use..

Setup:


2010 Hyundai Elantra


Factory Unit via 4 chan NVX LOC


Excessive Amperage "H/O" Alt


Xs D3400/ Xs XP3000


Big 3. 2 Runs of +, 2 Runs of -


DD M3b and 2 12" AQ HDC4s

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Both batteries are basically brand new.. like less than 6mo old.. both resting In the 13s but I know as you said. That doesn't also mean their good. I'll do a few of those suggestions and get back to you all on that.

Measure voltage at bat instead of amp to see if drop is the same:

Try bigger fuses:

When I took it the alt to get load tested. The guy mentioned that I couldn't use a smaller pulley as its already the smallest I could use..

will be tuned into your results

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you mentioned earlier in the thread that your deck was tuned with DD1. Was the amp gain also tuned ?

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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