voltage drop

  1. Jonvhz

    Voltage Drop!!!

    I have a 1999 Toyota Tacoma running 2 10s 1600 watts 4 sylvester 6.5s 4 sylvester 8s 1800 watt taramps Sundown sae 400.4 Big 4 upgrade 250 HO Singer alt Duralast front bat XSd3400 secondary bat OfC 0 gauge wiring all around (multiple runs for the backup battery) The voltage...
  2. Doxquzme

    Opinions are like a$$holes, everyone’s' got one, right? Budget LiFePO4 (not diy li-on cell banks, buss bars and regulators) Opinions?

    A lot of discussion on electrical/voltage draw and remedy. Let's say for the sake of this discussion, stock Alt. Big three upgrade done, wanna reinforce quick discharge for occasional BASS amp draw/performance. Not long duration sustain or at the picnic sound reinforcement when the car is...
  3. momeigs

    Major Voltage Issue: Bad Battery?

    Hey guys, about a week ago (queue Bobby Shmurda meme) I noticed my sub amp start to cut in and out at high volumes. This happened for a few days, then my 4 channel started to do the same. Not to long after, on cranking the car up I read 13.8V. My normal is 14.2v. Slowly turning the music up...
  4. J

    Electrical Help

    Hello there, I am currently running a Skar ZVXv2 12 on an RP-2000 in my 2010 Honda Accord Coupe. This is not my first system I’ve run but I’ve been running into an electrical issue, primarily voltage drops. I’m currently running a stock alternator (which I believe is 135 a for my car), 1/0 gauge...
  5. D

    Big 3 upgrade problem

    Alright, so I did the big 3 upgrade today hoping to keep my headlights from dimming and my voltage dropping to 12. I am only running 2 12s that are 150 RMS each, and I still get headlight dim. So I installed the big 3 and started my car up and I still get voltage drop and headlight dimming...
  6. R

    Voltage Problem-13 volts drops to 6 volts with engine running.

    Completely stumped. I've been dabbling in car audio since my first car, and never seen this before. Started out by my amp (a crunch gp3000.1) just suddenly stopped producing sound. No pop or hiss or anything, just silence. Oddly enough the green power light still lights up, and I've went through...
  7. D

    1990 c2500 voltage drop

    I need help with my 1990 Chevy C2500 350 5.7l v8 i have had it for about 3 months now and before i got ahold of this truck the previous owner was having problems with it just as much as i am now, 1. If i get into the throttle to hard it will fall on its face, i have changed the distributor cap...
  8. K

    Major voltage drop when barely playing Subwoofer

    3500w 15' Crescendo Audio CrossFire Custom Sub 4' voice coil Hifonics Atlas 6k "3500@1 ohm" Crescendo Concerto 1200/4 2 Crescendo Deep Cycle AGM F-34HP Batteries 2 Kinetik 1200 AGM Batteries 2 Crescendo Neo's 6.5 4 Crescendo PWX 6.5 2 D-250x Horns Stock Alternator Stock Battery Under...
  9. bs199sg

    Alternator/ battery upgrades

    Hey all, I believe my alternator and or battery can't supply my system with enough power. My total wattage is 6000 using stock alt/batt. I have a 2007 Ford Focus SE. If you coule point me in the right direction or give me some ideas of what to do with it would be great. It started with my subs...
  10. bs199sg

    Sub Clipping

    Hi all, my 2 Pioneer champion pro (TSW3003D4) subs are clipping a lot. This mostly happens when I really turn up the volume. However, the subs output 4000watt total. What I hear is definitely isn't 4000watts. I am using a Hifonics Colossus Pro 5k. The subs are wired up at 2 ohms each. My...
  11. B

    Voltage dropping at amp terminals

    Hi all, I have a Sony xplod 1000W 2 channel amp, and it has worked perfectly fine with my 2 kicker 15 comp subs for almost 2 years. Last week, my alternator died, and so I replaced it and purchased a new and bigger battery for my car. However since this happened, my subs would randomly cut...
  12. Tshaffe

    Voltage drops? Help!

    I have a jl 1000/1 (v1) with 4 gauge wire and just stock alternator and battery and everything. When I hook up the amp to a sub with gain on about half (either my w7 or re audio sxx) it will play for a little bit but when I turn the volume up on my deck the amp light flickers than powers off but...
  13. G

    somebody please help me!

    hey guys, so i think i may be having a problem with my HO alternator? so i have an 00' chevy silverado ext cab 5.3L with a dc power 190 amp oem alternator. 4 RF p1 10 in subs under the back seat, 2 amps for the subs and a 3rd amp for the front door speakers. sony xplode HU and front door...
  14. G

    voltage drop/lights dimming issue with bad grounds?

    hello guys. im really stumped on how to fix this light dimming/voltage drop i get from my truck. its a 2000 chevy silverado 1500 with the 5.3l v8. i only have 4 10 in p1s which is only 600 watts rms. i have two RF 201s amps for the subs and one RF prime r150-2 for the front door speakers. ive...
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