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power and ground question

Discussion in 'Audio & Video' started by chris L, Mar 3, 2008.

  1. Mar 3, 2008 at 8:42 AM
    #1
    chris L

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    chris L [OP] Well-Known Member

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    I have a dual amp set up . battery to fuse to 4 awg wire to nonfused distribution block . from there 8 awg wire to one 4 channel amp and 8awg to a 1.2 farad capacitor to a mono amp . streetwires ( distribution block ) said that I need to use a fuse from distribution block to amp and a fuse to cap/amp combo . I thought with the fuse near the battery was enough . I think it is 60amp .

    grounding

    where is a good spot to ground my equipment too ? I have it behind the rear seats of my 06 double cab . I am planning on grounding 2 amps and a cappacitor . I want to use a distribution bloack and 4 awg to ground . I thought maybe a seat belt bolt or seat bracket bolt . any one care to share their expertise ?
     
    chris L, Mar 3, 2008
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  2. Mar 3, 2008 at 8:56 AM
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    lsocoee

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    lsocoee My hair is all natural Moderator

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    I guess that technically you should put a fuse whenever you have a gauge reduction, because you could draw 60 amp through the 8 gauge wire.

    I think the ground under the seatbelt bolt is probably good. I'd sand the paint down before sealing everything up.
     
    lsocoee, Mar 3, 2008
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  3. Mar 4, 2008 at 5:15 AM
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    sooner07

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    sooner07 1/2 man 1/2 amazing

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    Always Always Always fuse a reduction in wire gauge. Your 60 amp fuse is small enough to protect the 8 awg wire, but it is still best practice to fuse all reductions in wire gauge.

    You are on the right track by combining the ground wires from the amp with a distro block and using a single common grounding point. Seatbelt bolts are great for grounding to, since they generally have good contact with the body. Just be sure to grind the paint down to bare metal and you should have no issues with ground loop noise or voltage issues.
     
    sooner07, Mar 4, 2008
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  4. Mar 4, 2008 at 11:57 AM
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    chris L

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    chris L [OP] Well-Known Member

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    thank you for the replies and your opinions .
    Im going to order another distribution block but a fused one for power and use my existing nonfused one for grounding . then I can run 4awg to the middle seat belt bolt for ground .

    thanks
     
    chris L, Mar 4, 2008
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  5. Mar 4, 2008 at 11:59 AM
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    lsocoee

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    lsocoee My hair is all natural Moderator

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    You should probably also upgrade the ground at your battery.
     
    lsocoee, Mar 4, 2008
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  6. Mar 4, 2008 at 12:34 PM
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    chris L

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    chris L [OP] Well-Known Member

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    from the chassis to the battery and remove the stock ground ?

    thanks
     
    chris L, Mar 4, 2008
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  7. Mar 4, 2008 at 12:38 PM
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    lsocoee

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    lsocoee My hair is all natural Moderator

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    yeah
     
    lsocoee, Mar 4, 2008
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  8. Mar 4, 2008 at 1:31 PM
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    chris L

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    chris L [OP] Well-Known Member

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    makes sense the stock cable isnt very big .
     
    chris L, Mar 4, 2008
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