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Reload Thread: Help With Finding My Problem??

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    scotty3x3's Avatar
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    Help With Finding My Problem??

    Hey guys. Got a pretty basic install in my 2013 Elantra.

    Kenwood DNX890HD
    Alpine Class D 450 Watt RMS Mono Amp
    Alpine Class D 400 Watt RMS 4 Channel Amp
    12" Memphis Audio Sub (300-600 Watt RMS)
    1 Farad Rockford Fosgate Cap
    Clarion 3 channel Crossover Network
    0 Gauge Wiring from Battery to Cap, 4 Gauge from Cap to distribution block, 4 gauge to both amps - grounded to rear seat mounting bolt.

    Yesterday I noticed the battery light on in the car for about 2 minutes then I parked and went into a business... came back out and the light was off... didn't see it again until later. Later comes on my way to dinner, all sound cuts out but radio is still on with nav running normally. LED lights in cluster start coming on, lights start to dim and I lost power steering. Pulled over to the side of the road and called for help.

    Pops got there, jumped the car, removed the fuse from the power wire and the car has been fine ever since. Started right up after dinner, started right up this morning. Is the alternator just not strong enough for what I have? This is really not anything extravagant.

    I'm going to take it apart this weekend to try to troubleshoot. Any possible ideas would be much appreciated!

    Thanks.







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    Re: Help With Finding My Problem??

    You should check your voltage. To me it sounds like you're straining the electrical.




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    Re: Help With Finding My Problem??

    Quote Originally Posted by djulz93 View Post
    You should check your voltage. To me it sounds like you're straining the electrical.
    This has pretty much been the consensus of everyone I have talked to about this. I will connect everything back up tonight test the voltage. If I'm reading 11-12 with the system playing, I will know that could be the problem.

    The question I have is how to rectify this problem. My system is not that large and I don't want to have to downgrade if I don't have to.




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    Re: Help With Finding My Problem??

    Do you plan on upgrading in the future? And my guess would be the battery is bad, or maybe even the alternator (don't quote me though, because I'm the furthest thing from an expert in this field haha).




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    Re: Help With Finding My Problem??

    Quote Originally Posted by djulz93 View Post
    Do you plan on upgrading in the future? And my guess would be the battery is bad, or maybe even the alternator (don't quote me though, because I'm the furthest thing from an expert in this field haha).
    The sound I get now is what I see myself sticking with. I don't want insane SPL or anything like that. And while it's not 'impossible' for either the battery or alternator to be bad, the car is barely a month old. I bought it brand new from the dealer a little over a month ago. So it if they are bad, no big deal, I'll have them repaired, but I would like to know some things I can troubleshoot before I just take it to the dealer and they say my audio install caused a failure.




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    Re: Help With Finding My Problem??

    Take your car to autozone and have them do an alt and battery test.



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    Re: Help With Finding My Problem??

    ^ what he said. And the reason I asked if you planned on upgrading was because you can upgrade the electrical (better battery or h/o alt), but that would be the expensive route if you don't plan on going past 1k.




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    Re: Help With Finding My Problem??

    why do u have a cap?




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    Re: Help With Finding My Problem??

    I will do a complete test on the battery and alternator. That light only turns on when one of those 2 are with problem.



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    Re: Help With Finding My Problem??

    Well, the alternator appears to be working. Last night I reconnected my power wire to my battery and played the system for a little while watching the volt output from the battery. Turned the inside air on full blast, all lights on system turned up loud and the lowest reading I got from my battery was down to 11.6 volts, but the battery light in the car did not come on. I turned the car off and went to bed. This morning the battery light was on as soon as I started the car. I checked the battery and it was still reading 11.6 volts. I drove the car on the way to work for about 6 minutes hoping the alternator would charge the battery, but when I checked, the battery still read 11.6. I disconnected the power wire again and as soon as I got in the car, the battery light was off. I drove to work and checked the battery when I got there and it was reading 14.2 again. I don't think the battery is bad or the alternator since it charged back up without the system. I just need to find out why this relatively small system is pulling so much from my battery.




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    Re: Help With Finding My Problem??

    Dump the cap. This maybe the cause. Get a big 3 kit instead $45 the amps your running shouldn't be causing this. Not enough power. Also check to make sure you have good grounds as well




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    Re: Help With Finding My Problem??

    The first thing that comes to my mind is that while the alternator can charge the battery, it isn't built to power anything much more than stock equipment. What was your reason to install a cap though? Because I've been told by various people they really don't do anything beneficial unless it's the really high quality and your goal is spl.




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    Re: Help With Finding My Problem??

    Quote Originally Posted by mylows10 View Post
    Dump the cap. This maybe the cause. Get a big 3 kit instead $45 the amps your running shouldn't be causing this. Not enough power. Also check to make sure you have good grounds as well
    I have read about the big three upgrade. My question is does this upgrade void my warranty?? The only reason I bought this car was the 5/10 year warranty. I don't want to have a problem with my alternator or something and take it to them to turn around and blame the wiring change I made. Can you suggest a kit for me? link

    Quote Originally Posted by djulz93 View Post
    The first thing that comes to my mind is that while the alternator can charge the battery, it isn't built to power anything much more than stock equipment. What was your reason to install a cap though? Because I've been told by various people they really don't do anything beneficial unless it's the really high quality and your goal is spl.
    This system was in my previous car and I've had the cap for roughly 3 1/2 years. Back then, caps were an accepted solution to lights dimming with bass hits. I bought the cap, put it in and it fixed the issue. I've had it in 2 different cars since then and never had this issue.




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    Re: Help With Finding My Problem??

    Quote Originally Posted by scotty3x3 View Post
    I have read about the big three upgrade. My question is does this upgrade void my warranty?? The only reason I bought this car was the 5/10 year warranty. I don't want to have a problem with my alternator or something and take it to them to turn around and blame the wiring change I made. Can you suggest a kit for me? link



    This system was in my previous car and I've had the cap for roughly 3 1/2 years. Back then, caps were an accepted solution to lights dimming with bass hits. I bought the cap, put it in and it fixed the issue. I've had it in 2 different cars since then and never had this issue.
    Shouldn't void any warranty. Your just adding more and larger wire not removing anything. I have kits ready to bolt on




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    Re: Help With Finding My Problem??

    Quote Originally Posted by mylows10 View Post
    Shouldn't void any warranty. Your just adding more and larger wire not removing anything. I have kits ready to bolt on
    Checking your site, I don't see any Big 3 upgrade kits... just subs, amps and accessories like shirts and hats.




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