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    Icon14 truck cant handle system

    Hi. How is everyone. I have a 2005 gmc sierra 1500 ex cab.
    Im running a re audio 1000 wat amp at 1ohm (800 rms) to 2
    Powerbass 12s. If I cut my cd player past 18 on the volume my lights flicker.
    I've been through all over the web looking what I could do.
    I don't wanna shell out for a hi amp alternator. I've heard alot about
    the big 3 but I keep getting told if my regulator on my alternator doesn't
    allow more voltage im peeing in the wind. Any advice?







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    Re: truck cant handle system

    Your not looking for more volts from your alt with the big three, your looking for more/better flow of amperage. And more amps x the volts you already have= more watts available. Do the big 3 or at least do a big ground from the batt to the frame.




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    Re: truck cant handle system

    I thought the truck was falling apart (like mine). Then I read 1000w and about fell out of the chair.

    OP, GM trucks utilize the vast majority of their alternator current just running the truck.

    In order to solve your dimming issue, you at least need a second battery as close to the amp as you can get it and the big 3 upgrade. You might still run into problems, which is where a high output alternator, or a second stock alternator specifically for the stereo would come into play.

    Also, on the regulator thing: Somewhere in that neighborhood, GM started doing a fuel saving technique that actually kills the alternator and runs the truck strictly on the battery. Voltage will go from 14.5>12.5 when ever you aren't putting a load on the motor. If yours has this, the only way to make your alt charge the entire time is to get an external regulator to override GM's fuel saver attempt. I know older trucks didn't have this, I know newer trucks do. I am unaware which of those two categories yours fits into.



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    Re: truck cant handle system

    big 3 and run of ground to the back, and a battery.




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    Re: truck cant handle system

    is your amps gains set correctly? are you clipping it bad? What Amp is it by the way?




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    Re: truck cant handle system

    Decent battery upgrade and big three and I never had an issue with dimming unless full tilt. That was with 1500rms total.



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    Re: truck cant handle system

    Quote Originally Posted by jteske88 View Post
    is your amps gains set correctly? are you clipping it bad? What Amp is it by the way?
    I cut the gain down some as well as the lpf and ssf
    it is A re audio dts 1000.1




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    Re: truck cant handle system

    Quote Originally Posted by itsblown View Post
    big 3 and run of ground to the back, and a battery.
    So I just tie the new battery into my stock alternator?
    Do I need to do the big 3 only on the new battery or both?
    What would be a good value battery for the 800watts my amp is wanting



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    Re: truck cant handle system

    i have an 02 silverado and my truck would die with anything over about 400w. i put a shuriken bt20 in the back with a good ground and problem solved



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    Re: truck cant handle system

    You need to put a 0 awg wire from your batt pos to your alt. Then 2 runs of 0 awg from batt neg, one to your body and one to your engine ground.. then get a batt to put right by the amp. Just hook that batt up to the neg and pos that was going into your amp then just go from that batt to the amp...... make sure you do really really good grounds(sand down to bare metal and make sure terminals are on really good)

    And another thing. You don't just turn down the ssf and lpf. They are there to control frequencies that will go to the subs... keep lpf around 80 and ssf 25-30 or so.....turning down the ssf is doing the opposite of what you were trying to do



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    Re: truck cant handle system

    Issues with the dts 1000.1? Crazy, I'm running the 1500.1 and not issues, single run 2/0awg wire and big three in the same.




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    Re: truck cant handle system

    [QUOTE=jteske88;8298827]Issues with the dts 1000.1? Crazy, I'm running the 1500.1 and not issues, single run 2/0awg wire and big three in the same.[/

    I run my power/ground with 4 and I haven't done the big 3.
    Ima try it this weekend maybe it might fix my issues



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    Re: truck cant handle system

    Try big three for sure, recheck grounds, sand surface of grounds. Should be good to go




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    Re: truck cant handle system

    the big 3 should solve most of your problems, with what you're running. if not, a small battery will definitely do the trick.



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    Re: truck cant handle system

    Quote Originally Posted by wickedwitt View Post
    I thought the truck was falling apart (like mine). Then I read 1000w and about fell out of the chair.

    OP, GM trucks utilize the vast majority of their alternator current just running the truck.

    In order to solve your dimming issue, you at least need a second battery as close to the amp as you can get it and the big 3 upgrade. You might still run into problems, which is where a high output alternator, or a second stock alternator specifically for the stereo would come into play.

    Also, on the regulator thing: Somewhere in that neighborhood, GM started doing a fuel saving technique that actually kills the alternator and runs the truck strictly on the battery. Voltage will go from 14.5>12.5 when ever you aren't putting a load on the motor. If yours has this, the only way to make your alt charge the entire time is to get an external regulator to override GM's fuel saver attempt. I know older trucks didn't have this, I know newer trucks do. I am unaware which of those two categories yours fits into.
    Dont listen to this guy ^

    He runs kicker which is a walmart brand



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