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Thread: Installing Power Capacitors?

  1. #1
    DLe
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    Installing Power Capacitors?

    Hey guys,

    This is a total newb question but I just bought a 1 farad power capacitor but I'm not sure how to install it. I know that I need to feed a wire from the 12v+ to the 12v+ prong on the power capacitor, but what is the other prong on the capacitor for?

    I don't believe that it is for the 12v- (negative) terminal on the battery, but I'm not really sure because it could be.

    I was thinking that it the other prong was the output to the amplifier and the + was the input for the 12v+ terminal of the battery.

    Please help me! Thanks guys.

  2. #2
    Newbie TWBarrett's Avatar
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    The Capacitor needs a power and ground just like your amplifier does. Feed it a 12v+ from your battery, ground it, then run a second wire from the 12v+ lead to your amplifier/distribution block/etc.

    Hope this helps!
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    DLe
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    Quote Originally Posted by TWBarrett
    The Capacitor needs a power and ground just like your amplifier does. Feed it a 12v+ from your battery, ground it, then run a second wire from the 12v+ lead to your amplifier/distribution block/etc.

    Hope this helps!
    THANKS TWBarrett! When you say "ground it" you mean to the chassis right?

  4. #4
    Newbie TWBarrett's Avatar
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    Yes, to the chassis.
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    Maximum Bitrate DjBac's Avatar
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    Don't forget to place the capacitor as close to the amp you can.. (the wire that goes from the capacitor to the amp should be really short)!!

  6. #6
    Maximum Bitrate
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    and dont forget to charge it the first time, capacitors are dead shorts when they are completely uncharged, so you cna cause a HUGE spark, weld, or even make your cap explode if you dont add some resistance in there teh first time! we usually use a light bulb. when hte light goes out, the cap is charged!

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    Newbie TWBarrett's Avatar
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    Err yea, two good points. Rule of thumb is, what, 18" max from cap --> amp? And you can use like a $4 test light from Shucks or any auto parts store to charge it.
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    I forgot to charge mines once. Lets just say I will never forget from now on. lol

  9. #9
    DLe
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    I've never heard about charging capacitors...thanks guys.

    How does wiring a lightbulb charge a capacitor? Weird.

  10. #10
    Jesus Freak antimatter's Avatar
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    Yea please explain
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