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    DrTre5189's Avatar
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    Please Help me, I can't ever get this right, Nothing is going how I planned.

    Okay I am getting very frustrated because my system never works right. I have a 2007 Jeep Grand Cherokee and an American Bass sound system. I have 2 12" subwoofers pushing out about 1000-1200 watts RMS. When I originally got the system, it would work but cut out often. This was with my stock alternator and the battery I currently had. It was an Interstate battery of some sort. Anyways it could play a full song but then it would just completely cut off until I had the music turned down for a few moments. It would then cut back in. This went on for awhile until my battery completely died one day and I needed a new battery.


    Took my car to the shop and I told them I wanted a very powerful battery but they ended up getting some Bosch battery which is rated at 140 amps. I don't know how good that is. Anyways, I hook up the sound system again. Now, what happens is a little different. The bass would play when turned up loud but it would cut in and out from very loud to very quiet. The subs were still playing bass when they are playing quiet but it is just barely. This goes on and on, back and forth every few seconds. You can see how annoying that would get. As the bass is going in and out, I noticed the amp would flicker from normal to protect mode each time. So I unplugged the system and decided to just take it the professionals when I had the chance.

    I drove the vehicle around for awhile and I started noticing this new noise coming from underneath the hood, a whirling/humming kind of sound, which I pinpointed to be the alternator. It would get louder as I drove and it was always humming even when the car was stopped. I noticed my vehicle was becoming very sluggish and my battery light would come on while I was driving all the time. I knew my alternator was failing. Eventually it completely died and I couldn't start my car, could not jump it or anything. I ordered a new high output alternator and went and got it installed the other day. It is a Mean Green Alternator for my 2007 3.7 liter Jeep Grand Cherokee. I believe it is rated at 200 amps. I went and got my sound system hooked up again. However, it is still doing the exact same thing. Playing the bass loud and then it flickers back and forth between protect mode and normal. I have a new battery, and a new alternator and the system is still cutting in and out. What is going on here? I am starting to think that this new battery is definitely not meant for a high end car audio system. That is the only conclusion I could come up with. The sound system wants to play and sometimes it does and it sounds amazing, but the bass will just shift back and forth from loud to quiet. Do I need a huge battery like something from Kinetik or what?







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    Bonodoc's Avatar
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    Re: Please Help me, I can't ever get this right, Nothing is going how I planned.

    sub model and amp model? what does the amp wiring look like? what gauge? are you sure you have a good ground?




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    cfox10's Avatar
    cfox10 is offline Rock the house.



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    Re: Please Help me, I can't ever get this right, Nothing is going how I planned.

    amp model? Impedence you're running at? wire size running to amp? (ground and power)

    and your subs aren't pushing anywhere near 1000 watts..............




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    Re: Please Help me, I can't ever get this right, Nothing is going how I planned.

    Pictures would do wonders.



    Refs # Tallc, CleaRSkieS, Roth, Goindef154, Kangaroux, tv559

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