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Reload Thread: Ground Location for Sundown SAZ 2500d

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    Ground Location for Sundown SAZ 2500d

    Hello people. I have a 2005 Impala and am planning on re-grounding my Sundown SAZ 2500d. Before it was grounded with 1/0 gauge to thin sheet metal near the spare tire well. I have been told by many that I need a better ground for such a beefy amp. Would the strut tower or seat belt holder bolt be a good ground? I only have a single D3400 up front and don't want to add another in the trunk. Please give me your insight on this. Thanks everyone. - Andrew



    2005 Impala
    DC Power 300 amp alt
    XS Power D3400 under hood
    Big 3 Knu 1/0 gauge
    Eclipse AVN 726E
    Rockford T3 6.5 component set
    Rockford 1000.4-ADCP
    Rockford 2500.1-BDCP
    2 Sundown SA 12 D4's
    4.0 cu. ft. 31hz




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    Re: Ground Location for Sundown SAZ 2500d

    If you're willing to run back up to the front, the negative battery terminal will make your best ground.



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    Re: Ground Location for Sundown SAZ 2500d

    Strut tower sanded down is fine that's where you do big three anyways



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    Re: Ground Location for Sundown SAZ 2500d

    I thought that ground wires need to be as short as possible. But you guys are saying its ok to run a 10 foot wire up to the front battery? This car is unibody so that makes sense just wanted to confirm it. Thanks guys.



    2005 Impala
    DC Power 300 amp alt
    XS Power D3400 under hood
    Big 3 Knu 1/0 gauge
    Eclipse AVN 726E
    Rockford T3 6.5 component set
    Rockford 1000.4-ADCP
    Rockford 2500.1-BDCP
    2 Sundown SA 12 D4's
    4.0 cu. ft. 31hz

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    Re: Ground Location for Sundown SAZ 2500d

    Electrically it's the same point. You can always fuse it closer to the amp and again close to the battery.



    Deck: JVC KD-A95BT
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    Amps: Boston Acoustics GT-2125, Zed Minotaur III (x2)
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    Re: Ground Location for Sundown SAZ 2500d

    I currently only have 1 fuse at the battery positive (1 foot away) running back to the amp in the trunk. Will I still have to fuse the negative line that I run as well?



    2005 Impala
    DC Power 300 amp alt
    XS Power D3400 under hood
    Big 3 Knu 1/0 gauge
    Eclipse AVN 726E
    Rockford T3 6.5 component set
    Rockford 1000.4-ADCP
    Rockford 2500.1-BDCP
    2 Sundown SA 12 D4's
    4.0 cu. ft. 31hz

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    Re: Ground Location for Sundown SAZ 2500d

    Run frame in back to amp ..no need to do a long negative run..and do the big3

    ---------- Post added at 10:47 PM ---------- Previous post was at 10:46 PM ----------

    No u dont fuse ground runs




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    Re: Ground Location for Sundown SAZ 2500d

    Hmmm ok do you know of any good trunk frame ground points in an 05 Impala?



    2005 Impala
    DC Power 300 amp alt
    XS Power D3400 under hood
    Big 3 Knu 1/0 gauge
    Eclipse AVN 726E
    Rockford T3 6.5 component set
    Rockford 1000.4-ADCP
    Rockford 2500.1-BDCP
    2 Sundown SA 12 D4's
    4.0 cu. ft. 31hz

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    Re: Ground Location for Sundown SAZ 2500d

    Yes drill thru the trunk floor and go straight to frame




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    Re: Ground Location for Sundown SAZ 2500d

    Thank you. I have a DC power 300 amp alt, Big 3 1/0 gauge, and XS D3400 and was still getting a little bit of dimming. I will fix the ground and report back as I 'm hoping the dimming will be reduced. My BTL 15 is at 1 ohm. Do you guys think I need another battery? Sorry for all of these questions this is one of the first times I installed a system over 1,000 watts.



    2005 Impala
    DC Power 300 amp alt
    XS Power D3400 under hood
    Big 3 Knu 1/0 gauge
    Eclipse AVN 726E
    Rockford T3 6.5 component set
    Rockford 1000.4-ADCP
    Rockford 2500.1-BDCP
    2 Sundown SA 12 D4's
    4.0 cu. ft. 31hz

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    Re: Ground Location for Sundown SAZ 2500d

    Yes put a g31 in the trunk ..good grounds make a world of difference ..make sure to ground straight to frame in front too




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    Re: Ground Location for Sundown SAZ 2500d

    For the Big 3 I just added 0 gauge wires to the existing negative ground bolt to the negative post and then added a wire from engine block to that same bolt as well. Is this correct? I will look into some g31 batteries if the dimming is not greatly reduced



    2005 Impala
    DC Power 300 amp alt
    XS Power D3400 under hood
    Big 3 Knu 1/0 gauge
    Eclipse AVN 726E
    Rockford T3 6.5 component set
    Rockford 1000.4-ADCP
    Rockford 2500.1-BDCP
    2 Sundown SA 12 D4's
    4.0 cu. ft. 31hz

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    Re: Ground Location for Sundown SAZ 2500d

    Depends where is the ground bolt .?..i do battery to frame ..battery to alt bolt ground and a power run from pos batt to alt wire

    ---------- Post added at 11:17 PM ---------- Previous post was at 11:16 PM ----------

    U can get deka g31 blems for 80 bucks or so




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    Re: Ground Location for Sundown SAZ 2500d

    Ground bolt is a couple inches away from battery tray on the frame of the car. I just added 2 1/0 gauge wires to go to the negative battery post and engine block from that same bolt. I also have a run from alt positive to battery positive with 300A ANL fuse



    2005 Impala
    DC Power 300 amp alt
    XS Power D3400 under hood
    Big 3 Knu 1/0 gauge
    Eclipse AVN 726E
    Rockford T3 6.5 component set
    Rockford 1000.4-ADCP
    Rockford 2500.1-BDCP
    2 Sundown SA 12 D4's
    4.0 cu. ft. 31hz

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    NASTY08IMPALA's Avatar
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    Re: Ground Location for Sundown SAZ 2500d

    I would switch that from that same bolt to battery to bolt on the alt other than that ur good




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