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  1. #31
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    Re: headlights dimming

    Quote Originally Posted by NASTY08IMPALA View Post
    Add a extra ground straight to neg battery post

    ---------- Post added at 04:47 PM ---------- Previous post was at 04:46 PM ----------

    That kind of power at 2 ohms should not be dimming much at all with you.re setup
    This.



    Headunit - Stock cassette player - Pioneer P9400
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    Electircal - 35 amp alt from ford festiva upgrade, stolen battery, 28 gauge solder coil for my cable - Dual D34 Yellows, 1/0 trystar OFC, 135amp alt




  2. #32
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    Re: headlights dimming

    Negative battery post has factory and 1/0 gauge coming from it now did some research and ecu tells alt. How much power to put out could that be my whole problem




  3. #33
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    Re: headlights dimming

    Quote Originally Posted by kirby mane View Post
    Negative battery post has factory and 1/0 gauge coming from it now did some research and ecu tells alt. How much power to put out could that be my whole problem
    Most new cars do this so the alt isnt taxing all the time ...not ur problem...add that ground and get back to us ..wouldnt hurt ti pick up extra agm for future upgrades




  4. #34
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    Re: headlights dimming

    Quote Originally Posted by kirby mane View Post
    Negative battery post has factory and 1/0 gauge coming from it now did some research and ecu tells alt. How much power to put out could that be my whole problem
    Very possible



    Headunit - Stock cassette player - Pioneer P9400
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    Electircal - 35 amp alt from ford festiva upgrade, stolen battery, 28 gauge solder coil for my cable - Dual D34 Yellows, 1/0 trystar OFC, 135amp alt

  5. #35
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    Re: headlights dimming

    So I'm going to have 3 grounds coming from battery should I ground to same ground as amp and battery are on now or a new one




  6. #36
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    Re: headlights dimming

    If all your wiring checks out, you probably have your gain set too high. You shouldn't have any trouble with dimming lights with the electrical you have now.




  7. #37
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    Re: headlights dimming

    Ground from the neg battery post directly to the amp




  8. #38
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    Re: headlights dimming

    Quote Originally Posted by kirby mane View Post
    So I'm going to have 3 grounds coming from battery should I ground to same ground as amp and battery are on now or a new one
    Battery is grounded.

    Ground amp directly to negative battery post



    Headunit - Stock cassette player - Pioneer P9400
    Front Stage - Pyle 8 inch subs (1000 watt peak!!) - Polk DB6.5 (about to be CDT 6.5s)
    Rear stage - Deleted (stolen) - Deleted
    Sub stage - custom built 15 inch sony xplod (5k watt peak!!!) (huge box) - Two SA12's built by Corey
    Sub amp - Pyle 8000w peak!! (spl edition) - AQ2200
    Electircal - 35 amp alt from ford festiva upgrade, stolen battery, 28 gauge solder coil for my cable - Dual D34 Yellows, 1/0 trystar OFC, 135amp alt

  9. #39
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    Re: headlights dimming

    What difference does that make chassis ground is maybe 4 inches away from post




  10. #40
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    Re: headlights dimming

    Quote Originally Posted by kirby mane View Post
    What difference does that make chassis ground is maybe 4 inches away from post
    Its up to you



    Headunit - Stock cassette player - Pioneer P9400
    Front Stage - Pyle 8 inch subs (1000 watt peak!!) - Polk DB6.5 (about to be CDT 6.5s)
    Rear stage - Deleted (stolen) - Deleted
    Sub stage - custom built 15 inch sony xplod (5k watt peak!!!) (huge box) - Two SA12's built by Corey
    Sub amp - Pyle 8000w peak!! (spl edition) - AQ2200
    Electircal - 35 amp alt from ford festiva upgrade, stolen battery, 28 gauge solder coil for my cable - Dual D34 Yellows, 1/0 trystar OFC, 135amp alt

  11. #41
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    Re: headlights dimming

    Quote Originally Posted by kirby mane View Post
    What difference does that make chassis ground is maybe 4 inches away from post
    Just try it man ..we're jus tryin to help.u shouldnt have any dimming at all but u clearly have a install or equipment problem




  12. #42
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    Re: headlights dimming

    How did you set the gain on your amplifier? you should go to an auto store and have your alternator tested, they usually do it for free




  13. #43
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    Re: headlights dimming

    Amp was set with meter and alt was tested at time of purchase




  14. #44
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    Re: headlights dimming

    I quess I'll get a second battery next week and see if that will help. Any idea what size, not trying to take up trunk with system and batteries I do like to drive it like I stole it ...sometimes lol. Thanks for all your help.




  15. #45
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    Re: headlights dimming

    At least a group 34.. 31 if u can fit..in the mean time try adding that ground




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