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Thread: How to connect PSU to battery?

  1. #1
    Newbie NEO_0690's Avatar
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    How to connect PSU to battery?

    I already have 8 gauge wire running from the battery to my sub amp and another 8 gauge wire running from the amp's ground terminal to a spot on the chassis so to power my carputer could i simply splice the PSU wires into these instead of running more wires to the battery? Also is having the amp power wires run past my carputer going to cause interference problems?

  2. #2
    FLAC guitar333's Avatar
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    you can but if you run to your local car audio store, a distribution block would be ideal
    92 Taurus SHO - Daily driver - Epia M10000 80GB 512mb 7" touchscreen, Opus PSU etc

    93 Black SHO - 30mpg cruiser

    90 Silver SHO - 419whp fun/project car, CarPC to come (for tuning)

  3. #3
    FLAC samc's Avatar
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    yup any decent distro blocks would work and it would have its own fuses. what wattage amp are you running?
    Mine needs to be updated.

  4. #4
    Newbie NEO_0690's Avatar
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    My current amp is a 450W but i'm gunna be putin those subs and amp in my gf's car and gettin a kicker solobaric S10L7 with a 1200x1 amp.

  5. #5
    FLAC Pudge's Avatar
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    I'm no good with power, I have a basic question. It seems if i buy a 1 input 4 gauge, 4 (variable 1,2,3,4 or whatever) output 8 guage distro block with a fuse, i can use the same line for my amp for my inverter? If it is only one wire (out of the distro block) how would I wire that into my inverter? I thought i need a positive and negative connection to my inverter. I guess I am missing something, sorry if it has been answered before.

  6. #6
    Newbie NEO_0690's Avatar
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    Pudge,

    You can just wire your power wire from the battery and your ground wire to the chassis into the + and - of the distro block and connect your inverter to the + and - to one set of terminals on the block and your amp to another set of + / - terminals.

  7. #7
    FLAC Pudge's Avatar
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    when you say "ground wire to the chassis" I am lost. I am completely incompetent with this stuff. I know I have a positive and negative terminal on my car battery. So... From what I understand you are saying I can solder (or twist, i dunno how the distro blocks work) an eight guage power line running from the positive terminal of the battery into the + input on the block. Then I have to solder (or twist) a wire from the ... this is where i'm confused... from the negative terminal of my battery into the block? Then I hook my amp up to one set of +/- and wire my inverter into the other set of +/-. Again, sorry for the incompetence on my part, I really appreciate your help. Thanks.

    P.S. Please correct me if I'm wrong, which I probably am.

  8. #8
    FLAC guitar333's Avatar
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    Quote Originally Posted by Pudge
    when you say "ground wire to the chassis" I am lost. I am completely incompetent with this stuff. I know I have a positive and negative terminal on my car battery. So... From what I understand you are saying I can solder (or twist, i dunno how the distro blocks work) an eight guage power line running from the positive terminal of the battery into the + input on the block. Then I have to solder (or twist) a wire from the ... this is where i'm confused... from the negative terminal of my battery into the block? Then I hook my amp up to one set of +/- and wire my inverter into the other set of +/-. Again, sorry for the incompetence on my part, I really appreciate your help. Thanks.

    P.S. Please correct me if I'm wrong, which I probably am.
    everyone in this hobby should know your car is basically a negatice ground circuit, ok first of all give your distribution block a 4 AWG wire and it should output 3) 8 AWG wire's, one to your amp, computer psu and whatever else. This takes care of positive.

    As for negative, if you pop your hood take a look at your battery, what is the - post connected to? Your cars chassis (or frame), whcich is metal basically making the metal frame of your car a "negative terminal" so just connect the - wire, from your inverter, psu, amp whatever to any metal un painted part of your cars body, therefore closing the circuit making it connected to your cars 12v battery.

    Ok, hope this helps, but I suggest you do further reading, as at least a basic understanding of electronics/cars electrical system is VERY helpful in this hobby
    92 Taurus SHO - Daily driver - Epia M10000 80GB 512mb 7" touchscreen, Opus PSU etc

    93 Black SHO - 30mpg cruiser

    90 Silver SHO - 419whp fun/project car, CarPC to come (for tuning)

  9. #9
    I'm sorry, and you are....? frodobaggins's Avatar
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    Quote Originally Posted by guitar333
    as at least a basic understanding of electronics/cars electrical system is VERY helpful in this hobby
    well ****




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  10. #10
    FLAC guitar333's Avatar
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    what??
    92 Taurus SHO - Daily driver - Epia M10000 80GB 512mb 7" touchscreen, Opus PSU etc

    93 Black SHO - 30mpg cruiser

    90 Silver SHO - 419whp fun/project car, CarPC to come (for tuning)

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