4 Amp Wire help?

Oak244
10+ year member

Senior VIP Member
I really need help wiring my system I am going to run a 4 amp system that goes as follows...

US Amp USA-50 - 20 amp fuse

US Amp USA-400x - 50 amp fuse

US Amp USA-600x - 75 amp fuse

US Amp USA-300x - 135 amp fuse

I will also be conecting a Romote turn on Relay which will need power, and a US Amps US-X3 crossover which will need power.

The USA-600x and USA-300x both has 2 Power inputs and 2 Grounds. How do I fuse these? Do I put 2 135 amp fuses on the two poer wires going to the USA-300x, or do I just put two 70 amp fuses?

How should I properly wire all this together? I have 0 Awg wire to go from the Front battery to the back of the car. I also have 4 awg and 8 awg wire. I need to Fuse all the amps near the amps, and fuse it up front at the battery.

Some say I should get a 2nd Battery. Should I look at a Optima battery, or is something like a BatCap better to look into?

I basically need help from the 0 Awg wire on.

Yes I will be geting a HO Alternator, and doing the Big 3 upgrade as well.

 
Yes on the battery, looks like your going to need it.

How to wire that, you have 8 points that need power (the relay can be jumped off any amp though, same goes for the crossover) So 6 large demand devices. Lets start with the fuses. The device with 135A draw, you would want two 70A/80A fuses sames goes for the 600, 2 40A fuses. Fuse blocks, Two - three output blocks linked together would handle your power . Same goes for your ground.

I may have something you can use //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif

 
Well I have a drawing, where I split the 0 awg into two 0 awg wires. One 0 awg wire goes to a 0 awg input to two 4 awg output fused block. That one runs 4 awg to the USA-300x by itself. The other 0 awg wire goes to a 0 awg input with two 4 awg output unfused. One of the 4 awg wire goes to a 4 awg input to 3 8 awg ouput fused distrobution block. That one powers the 400x, USA-50 and the relay. The last 4 awg wire goes to another 4 awg input, to three 8 awg output fused, that runs the 600x ans US-X3.

That keeps less then 150 amps running through any 4 awg wire anywhere along this setup.

So I need a

1-0 awg input to 2- 0 awg ouput

1-0 awg input to 2- 4 awg output Fused

1-0 awg input to 2- 4 awg output unfused

(2) 1-4 awg input to 3- 8 awg outputs fused

Then of course I need to copy this on the Ground side, without any fuses of course.

So lastly.... A Optima Battery, Or a BatCap?

 
Ok, you fell into my trap //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif :

two of these will wire your + system:

The option of dual 1/0 input is noice....

KNF-23-7-25.JPG


One 1/0 from battery in on the top of block A; a 1/0 jumper to block B from the second port of block A. You have then 6 fused outputs (two of which can be 1/0 or all 6 can be 4 gauge..... you make the call with the KonFUSED block... //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

http://www.knukonceptz.com/productDetail.cfm?prodID=KNF-23

 
Hmm Thats a confusing piece. Without a drawing of how to wire that, I do not see how it works lol I am used to those easy gold fuse boxes with 1 input, and however many fuses where the number of outputs lol

 
Ok, you fell into my trap //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif :two of these will wire your + system:

The option of dual 1/0 input is noice....

KNF-23-7-25.JPG


One 1/0 from battery in on the top of block A; a 1/0 jumper to block B from the second port of block A. You have then 6 fused outputs (two of which can be 1/0 or all 6 can be 4 gauge..... you make the call with the KonFUSED block... //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

http://www.knukonceptz.com/productDetail.cfm?prodID=KNF-23
OOOOOOOH!!! im gonna order a ground distro and a fused distro of those from ya //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

they look SOOO sexay //content.invisioncic.com/y282845/emoticons/yumyum.gif.0556df42231b304b9c995aefd13928a8.gif

 
Ok By doing this, I eliminate using any 4 awg wire as input wire right? Then I wire the USA-300x and USA-50 on one, and the USA-600x and USA-400x on the other. How do I power the US-X3 and Relay then? I supose I could branch off the 2nd one to a small unfused block to power those, and kep my install looking clean.

 
OOOOOOOH!!! im gonna order a ground distro and a fused distro of those from ya //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif
they look SOOO sexay //content.invisioncic.com/y282845/emoticons/yumyum.gif.0556df42231b304b9c995aefd13928a8.gif

Oh yes, I need the ground too, but for all 4 something like $80.00???? Seems a bit steep just to distribute wire lol While these may work, I might take a cheaper route.

 
Oh yes, I need the ground too, but for all 4 something like $80.00???? Seems a bit steep just to distribute wire lol While these may work, I might take a cheaper route.
true dat.... but you will still be spending about the same amt of money if you were to use 2 fused distros with grounds. well you CAN get the cheaper ones proly cut the price in half lol

 
So I need a

1-0 awg input to 2- 0 awg ouput

1-0 awg input to 2- 4 awg output Fused

1-0 awg input to 2- 4 awg output unfused

(2) 1-4 awg input to 3- 8 awg outputs fused

Then of course I need to copy this on the Ground side, without any fuses of course.

So lastly.... A Optima Battery, Or a BatCap?
How much you think the 5 blocks listed above are going to you? When you have that many amps, its not cheap no matter how you dice it.....and our block includes fuses, its really not as bad as you think.

 
How much you think the 5 blocks listed above are going to you? When you have that many amps, its not cheap no matter how you dice it.....and our block includes fuses, its really not as bad as you think.
True, as I thought about it more, yes yours are more expensive then some, but you eliminate a lot of other blocks. So in a sense, your way of doing this allows for more unbroken wire, and 0 awg wire almost all the way to the amps.

 
Honestly... I would run two 1/0awg's back to two four position distros.

You're drawing a lot of current and I think you'll be limiting your whole system with just one run.

So in a nut shell you need:

battery terminal w/ triple 1/0awg outputs (two for system, one for big 3)

two four position fused distro's for amp's (1/0awg in 4/8awg out)

two four position unfused distros for amp grounds (4/8awg in 1/0awg out)

If I was putting this system together, this is how I would do it.

For fuses.. the big three wire and the two main 1/0awgs should be fused somewhere from 250A-350A. For the distro's fuse to your needs. The amps that pull 135A (peak current) you could use 120A fuses. The one that uses a 75A you could use an 80A. The 50A can be fused with a 50A. And the others... lowest you can go with KF/AFS fuses is 40A. So unless we go with a MAXI fuse system for the amps that draw less power.. that's what you'd have to go with.

 
So you do not think a single 1/0 gauge run can support 280A of current (which he'll never see)? Yet a 4 gauge is good for 120A?? How many 4 gauge = one 1/0?? See where we are going with that....

Also, if you add a second battery he certainly would not need two 1/0 runs. HO ALTs are 200A or so, the MAX it would see is 250A since the battery would absorb most demand

There are several ways to wire every system, no wrong answer I suppose either (unless of course you run one 8 gauge cable for everything :p

 
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Oak244

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