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Topic Review (Newest First)

08-16-2013 08:59 AM

98Civic

Re: Planning on running around 5k watts, what electrical?

Quote:

Originally Posted by Based

Ok I think I got it now. I'm just gonna wait to do my big three until I get my alt and batteries.

Will it be ok if I have all this electrical **** done while I'm still running my 800 watt amp? Or will it like... Blow up...

The electrical system only provides what is needed, never any more. If your amp only needs 50 amps, then 50 amps is all that your electrical will provide.

08-16-2013 08:36 AM

Squeezumz

Re: Planning on running around 5k watts, what electrical?

Quote:

Originally Posted by Based

Will it be fine if I run just a single run of 4 gauge from the rear battery to the amps positive?

Yes. Adding more electrical doesn't hurt an amp, it makes it harder to hurt it.

08-15-2013 08:10 PM

Based

Re: Planning on running around 5k watts, what electrical?

Quote:

Originally Posted by Slobalt7

it'll be fine

Will it be fine if I run just a single run of 4 gauge from the rear battery to the amps positive?

08-15-2013 08:03 PM

Slobalt7

Re: Planning on running around 5k watts, what electrical?

it'll be fine

08-15-2013 07:52 PM

Based

Re: Planning on running around 5k watts, what electrical?

08-15-2013 07:07 PM

blackdragonx1186

Re: Planning on running around 5k watts, what electrical?

Quote:

Originally Posted by Burkem_10

...why no one even makes 500a fuses...

https://www.vtewarehouse.com/content...nl/anlfuse.php

Lol sorry, had to be a dick.

08-15-2013 05:16 PM

Slobalt7

Re: Planning on running around 5k watts, what electrical?

Especially if you are running that much power.

08-15-2013 03:43 PM

profundus-sanus

Re: Planning on running around 5k watts, what electrical?

you want to hook the positive and negative from your amps directly to your rear batt(s).

08-15-2013 03:39 PM

Based

Re: Planning on running around 5k watts, what electrical?

Quote:

Originally Posted by profundus-sanus

negative and ground are the same thing

So if I connect my rear battery's negative to my amp's ground, would that work? I wouldn't have to ground my amp?

08-15-2013 03:33 PM

profundus-sanus

Re: Planning on running around 5k watts, what electrical?

negative and ground are the same thing

08-15-2013 02:56 PM

Based

Re: Planning on running around 5k watts, what electrical?

Quote:

Originally Posted by profundus-sanus

saz 4500's have 2 pairs of 1/0 inputs.

you shouldn't need more than that from the rear batt to the amp, as long as its a short distance.

Shouldn't I use three runs because I'm using three runs between batteries?

Is there an actual negative input from the battery to the amp or is it just a ground? The diagram I'm looking at has it where the amp has an actual negative instead of just ground...

08-15-2013 12:43 PM

profundus-sanus

Re: Planning on running around 5k watts, what electrical?

saz 4500's have 2 pairs of 1/0 inputs.

you shouldn't need more than that from the rear batt to the amp, as long as its a short distance.

08-15-2013 11:52 AM

Based

Re: Planning on running around 5k watts, what electrical?

So ok, from the positive of battery a to battery b, ill have three runs of 1/0 gauge with a 100a fuse on each end of all three wires? And for the negative of battery a to b ill have the same thing except no fuses, and I should ground both batteries to the chassis, correct? And then from battery b I will have three runs of 1/0 to the amps power with... What type of fusing?

08-15-2013 11:23 AM

nkrell11

Re: Planning on running around 5k watts, what electrical?

There is a lot of ways to do it there are lots if different options you could look into project team db.

08-15-2013 11:20 AM

Based

Re: Planning on running around 5k watts, what electrical?

Quote:

Originally Posted by nkrell11

I lug per run.

How do I fit all that under one set screw?

08-15-2013 11:16 AM

nkrell11

Re: Planning on running around 5k watts, what electrical?

I lug per run.

08-15-2013 11:13 AM

Based

Re: Planning on running around 5k watts, what electrical?

So do I put all the runs of 1/0 into a single ring terminal via crimp+solder or do I use a ring terminal for each run? What about fitting all the 1/0 gauge in my amp?

08-15-2013 10:46 AM

profundus-sanus

Re: Planning on running around 5k watts, what electrical?

its from the alternator to the amp.

the alternator is the primary source of power. the amp is the primary consumer of power.

08-15-2013 08:07 AM

Based

Re: Planning on running around 5k watts, what electrical?

Ok I just googled it and read a thread on how to do multiple batteries, just one thing I don't get now is what do I do about fusing multiple runs of wire.

08-15-2013 07:04 AM

Based

Re: Planning on running around 5k watts, what electrical?

Quote:

Originally Posted by profundus-sanus

don't run 300a per wire.

run 100a per 1/0. 300a is what they can handle without melting, but you'll see nearly a 2v drop just because of the wire running 300a per 1/0 at 20ft

100 per 1/0 will result in a .4v drop over 20 ft.

Is 20ft the length from the primary battery all the way to the amp? Because I was just gonna wire the amp to the secondary, which will only be at most 2ft away.

08-15-2013 06:45 AM

profundus-sanus

Re: Planning on running around 5k watts, what electrical?

08-15-2013 06:27 AM

Based

Re: Planning on running around 5k watts, what electrical?

Quote:

Originally Posted by nkrell11

I'm sorry I don't understand what you're asking exactly maybe I'm slow today.

Like I know that because my amp draws 500 amps I need two runs of 1/0 gauge (assuming 300a per wire) with a 250 amp fuse on each run from the secondary battery to the amp. Now how do I figure out what I need between the two batteries?

08-15-2013 06:11 AM

nkrell11

Re: Planning on running around 5k watts, what electrical?

I'm sorry I don't understand what you're asking exactly maybe I'm slow today.

08-15-2013 05:58 AM

Based

Re: Planning on running around 5k watts, what electrical?

Quote:

Originally Posted by Burkem_10

Each run gets its own fuse. You wouldn't ever want to run a saz 4500 on a single run of 1/0 so that's why no one even makes 500a fuses - the wire can only handle about 300a if it's pure copper. So, 250a per run would do the trick.

So between the two batteries, am I just worried about the load of the amp or the load of the batteries? If its just the load of the amp I'm thinkin that 2 runs of 1/0 would work with a 250a fuse on each run?

08-15-2013 05:40 AM

Burkem_10

Re: Planning on running around 5k watts, what electrical?

Quote:

Originally Posted by Based

So for a run of 1/0 from the main to the secondary battery, I'll need a 325a fuse near each of them. Now what if I'm running like 5 runs of it? Does that mean I need a 1600a fuse? A fuse on each run?

The saz 4500 calls for a 500 amp fuse, but I can't find any that big so can I just use two 250's?

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