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Reload Thread: got a strange voltage problem. i think

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    got a strange voltage problem. i think

    we have not started the install yet so there is just factory replacement speakers in my Tahoe now (focal's) I have a optima red top in the stock location and did the big 3 upgrade, and everything was fine. I just installed a new xs power D3400 under the hood in the 2nd location. 1/0 gauge wire rand to the alt. and grounded to the alt bracket, now when I start the truck the voltage reads high 14's,(volts) after a few miles down the road it has dropped to mid to high 12's (volts) and this is with just a kenwood head unit and 2 set of focal components, NO AMP at all. any idea whats going on







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    Re: got a strange voltage problem. i think

    Your vehicle's ECU is regulating your voltage.

    Ride around with your fog lights on.




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    Re: got a strange voltage problem. i think

    Try disconnecting the 3400 and see if the voltage drop goes away. Was the 3400 fully charged?



    Pioneer AVH-P3400BH Head unit
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    Re: got a strange voltage problem. i think

    I don't have fog lights (its a LT lol) I may disconnect it tomorrow when I get back to work and see what happens

    the 3400 was holding at around 11 volts out of the box from crutchfield




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    Re: got a strange voltage problem. i think

    Your 3400 needs charging. If it doesn't help, you got a bad battery.



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    Re: got a strange voltage problem. i think

    Quote Originally Posted by matt_bennett05 View Post
    Your 3400 needs charging. If it doesn't help, you got a bad battery.
    ok thanks, this is my first go-round with AGM batteries and I don't own a AGM charger, will just driving around with it charge it or do I need to have it charged




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    Re: got a strange voltage problem. i think

    Quote Originally Posted by black pearl View Post
    ok thanks, this is my first go-round with AGM batteries and I don't own a AGM charger, will just driving around with it charge it or do I need to have it charged
    you can use a regular charger just make sure you keep an eye on it at all times..... or got buy a smart charger



    MY 2001 HYUNDAI SANTA FE
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    Re: got a strange voltage problem. i think

    what do I need to keep and eye on. from what I can tell from the sheet that came with the battery is not to charge it at more the 2.4 volts per cell, which is 14.4 volts right??? so don't most all battery chargers charge to 14.4 or do they put out more than that ?




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    Re: got a strange voltage problem. i think

    Quote Originally Posted by bgowdy31 View Post
    you can use a regular charger just make sure you keep an eye on it at all times..... or got buy a smart charger
    ok I was able to find a smart charger here in town, when I went to leave the house, I disconnected the d3400 and checked the voltage and it was 12.3. this is throwing me for a loop




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    Re: got a strange voltage problem. i think

    sounds like a bad batt




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    Re: got a strange voltage problem. i think

    Quote Originally Posted by black pearl View Post
    ok I was able to find a smart charger here in town, when I went to leave the house, I disconnected the d3400 and checked the voltage and it was 12.3. this is throwing me for a loop
    yea sounds like it may be bad. How long was it on charge? and are you going to get the smart charger if you already havnt?



    MY 2001 HYUNDAI SANTA FE
    1 DC AUDIO XL-18 DUAL 1 ~ 5 CUBES NET(I THINK LOL) ~ TUNED - NO IDEA LOL (<-TEMP BOX)
    SHARK 2500 @ 2 OHM(.5 LATER ) ~ STOCK ALT ~ 1 STOCK DEKA & 2 AGM'S ~ BULLZ AUDIO 1/0


    ~2010 FCBC 450 STREET DIVISION 3RD OVERALL~
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    R.I.P. TO MY WIFEYS 03 FOCUS SE TRUNK SYSTEM ~ 143+DB 30 SEC MUSIC AVG

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    Re: got a strange voltage problem. i think

    Quote Originally Posted by bgowdy31 View Post
    yea sounds like it may be bad. How long was it on charge? and are you going to get the smart charger if you already havnt?
    when I said I disconnected it, I meant I disconnected it from the alternator so it would not be hooked up anymore. then I check the voltage and it was in the mid 12's. I haven't put it on charge yet, I was going to do it tomorrow at work




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    Re: got a strange voltage problem. i think

    Quote Originally Posted by black pearl View Post
    when I said I disconnected it, I meant I disconnected it from the alternator so it would not be hooked up anymore. then I check the voltage and it was in the mid 12's. I haven't put it on charge yet, I was going to do it tomorrow at work
    oh ok. even tho it was on the alt it still probly needs some charging. just put them on like a 2amp charge on a smart charger and leave it on there for a while, may take a few hrs



    MY 2001 HYUNDAI SANTA FE
    1 DC AUDIO XL-18 DUAL 1 ~ 5 CUBES NET(I THINK LOL) ~ TUNED - NO IDEA LOL (<-TEMP BOX)
    SHARK 2500 @ 2 OHM(.5 LATER ) ~ STOCK ALT ~ 1 STOCK DEKA & 2 AGM'S ~ BULLZ AUDIO 1/0


    ~2010 FCBC 450 STREET DIVISION 3RD OVERALL~
    ~2011 FCBC 450 STREET DIVISION CHAMPION~
    ~YOUTUBE->bgowdy31 & bgowdy3131~
    *BEST SCORE ~ 95 BLAZER 147+DB 30-SEC MUSIC-BB2400 & 1 HDC3-18 W/STOCK ELECTRICAL*

    R.I.P. TO MY WIFEYS 03 FOCUS SE TRUNK SYSTEM ~ 143+DB 30 SEC MUSIC AVG

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    Re: got a strange voltage problem. i think

    Quote Originally Posted by bgowdy31 View Post
    oh ok. even tho it was on the alt it still probly needs some charging. just put them on like a 2amp charge on a smart charger and leave it on there for a while, may take a few hrs
    thanks for the help man.




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    Re: got a strange voltage problem. i think

    Quote Originally Posted by black pearl View Post
    thanks for the help man.
    np....



    MY 2001 HYUNDAI SANTA FE
    1 DC AUDIO XL-18 DUAL 1 ~ 5 CUBES NET(I THINK LOL) ~ TUNED - NO IDEA LOL (<-TEMP BOX)
    SHARK 2500 @ 2 OHM(.5 LATER ) ~ STOCK ALT ~ 1 STOCK DEKA & 2 AGM'S ~ BULLZ AUDIO 1/0


    ~2010 FCBC 450 STREET DIVISION 3RD OVERALL~
    ~2011 FCBC 450 STREET DIVISION CHAMPION~
    ~YOUTUBE->bgowdy31 & bgowdy3131~
    *BEST SCORE ~ 95 BLAZER 147+DB 30-SEC MUSIC-BB2400 & 1 HDC3-18 W/STOCK ELECTRICAL*

    R.I.P. TO MY WIFEYS 03 FOCUS SE TRUNK SYSTEM ~ 143+DB 30 SEC MUSIC AVG

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