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  #1  
Old 02-27-2011, 01:06 PM
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Default **Diagram on my System** Need Install Pointers

Below I have a diagram of everything I'm going to be installing, facts first.
  • Every wire in the front all the way to rear to first rear battery will be 0-gauge.
  • Every wire between the batteries will be 1/0 gauge.
  • Power wire to Sundown amp will be/ or close to 0-guage.
  • Power wire to US amps 4-ch will be 4-gauge
  • Running (2) JL 13.5" W7's, Sundown 3500.1D, 270amp DC Alternator, (2) Yellow Top Optima, (2) Exide Orbital (Red n Blue)
Questions:
  • Do I need 0-gauge to get as much power to the rear, or am I overshooting since I'm only running W7's?
  • Do I need to ground each battery or are they ok with just being grounded from the front, running them in parallel?
  • When I ground the amp, should I ground it to the last battery in parallel also?
  • Where should I break the system to run 4-gauge wire to the US amps 4-ch? 0 gauge? if so where... or Run it directly from the main battery?
  • Do I need fuses between each rear battery for safety since they'll be separated a fairly good distance instead of right next to each other ? (only way they fit level w/o extensive modification)

  • P.S. - I forgot to draw the fuse to amplifier, no worries


Last edited by LeatherKicks; 02-27-2011 at 01:17 PM.
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  #2  
Old 02-27-2011, 01:13 PM
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ur power wire has nothing to do with your subs...it affects your amps, which in turn, affects the subs...you dont NEED to ground each...it is advised but not needed...yes...get a distro close to the rear for the highs amp...u dont NEED fuses at all...i personally stand by them and will always tho...that being said, yes

and im a little worried your gonna give the w7s too much power...they arent designed to take THAT much of a beating...they ARE excellent sq woofers tho
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Old 02-27-2011, 01:21 PM
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Do you have the money? Or trying to learn something?
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Old 02-27-2011, 01:30 PM
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Quote:
Originally Posted by fyerbyrd22 View Post
ur power wire has nothing to do with your subs...it affects your amps, which in turn, affects the subs...you dont NEED to ground each...it is advised but not needed...yes...get a distro close to the rear for the highs amp...u dont NEED fuses at all...i personally stand by them and will always tho...that being said, yes

and im a little worried your gonna give the w7s too much power...they arent designed to take THAT much of a beating...they ARE excellent sq woofers tho
Thanks, yeh.

I'm going to have to keep most gains down and bench test what power their getting with a voltameter. 1500Wrms each... Another reason I chose the Alpine CDA-117 as the controls are there, compared to the CDA-9986 I usually run.


I'm thinking limiting the runs to 1/0 will also help. And just run the 4-gauge directly from the main battery.

Last edited by LeatherKicks; 02-27-2011 at 01:52 PM.
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Old 02-27-2011, 01:34 PM
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Quote:
Originally Posted by Huricain3 View Post
Do you have the money? Or trying to learn something?
I've ordered everything except 3 fuse holders, 25 feet of 0-guage, and terminals I'll need. Trying to get out of that cheap but its not looking good.

Almost another $100 I'll have to spend.
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Old 02-27-2011, 01:35 PM
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The back 3 batteries won't do you any good unless they are grounded somewhere. Grounding to each other, and nowhere else takes them out of the equation.

Remember, you have to complete the loop.
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Old 02-27-2011, 01:46 PM
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You could just go ahead and run 1/0 to your 4channel as well. They make reducers so it will fit into the 4awg terminal.
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Old 02-27-2011, 02:11 PM
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Quote:
Originally Posted by CHEMMINS View Post
The back 3 batteries won't do you any good unless they are grounded somewhere. Grounding to each other, and nowhere else takes them out of the equation.

Remember, you have to complete the loop.
I'm thinking without grounding them to the chassis like you say, they are basically becoming a huge capacitor. That could have potential harmful current draw effects, atleast on the batteries themselves. I'll take your advice on that.


Quote:
Originally Posted by Fatboy501 View Post
You could just go ahead and run 1/0 to your 4channel as well. They make reducers so it will fit into the 4awg terminal.
I would but I already have a bunch of 4-gauge that wouldn't be used and the amp came with a 4-gauge install kit, altogether giving me the two fuse holders I need to install it.

Thanks everyone so far, this Is my first big power install so all experienced help is helpful.

Last edited by LeatherKicks; 02-27-2011 at 02:18 PM.
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Old 02-27-2011, 04:27 PM
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2 batteries in parralell(pos to pos, neg to neg) is the same as a single battery so if you don't ground or run a NEG lead then it is just like a single battery with only a pos wire to it.
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Old 03-02-2011, 12:57 PM
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I have another question. I have been reading that Sundown has two positive terminals hooked up parallel and two negative terminals that are hooked up in parallel.

(2) JL W7 13.5 (1500Wrms) DVC 1.5 ohm
If I wire the woofers as so:



And hook just one lead (+) to one (+) terminal on the amp
and hook one lead (-) to one (-) terminal on the amp

I should come out with 1.5 ohms and approximately 2625Wrms(and of course more power since they are underated)?

Last edited by LeatherKicks; 03-02-2011 at 01:08 PM.
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