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Installing a fuse box

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richinnc View Drop Down
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    Posted: 02/18/2019 at 5:58am

Here is what I want to do.

I have purchased a 2019 Crest pontoon boat.  Obviously, it has a console and within the console is a good bit of wiring.

I want to put in the console a Blue Sea Systems ST Blade 12 position fuse box.  Into this fuse box I want to run both my Humminbird GPS fish finders,  interior LED lights, under the gunnels LED lights and whatever else I come up with.

My first thought was to get enough 4 AUG battery wire and run directly from the battery to the console fishing the cable somehow from one side of the boat to the other. 

But I am wondering if I can go into the console and find where the battery cables (neg/pos) come in and come off of them where they connect in the console.  Obviously, that would save a lot of cable and the pain of trying to run it from the battery on one side of the boat to the console on the other side of the boat.

What do you see as the positives or negative of that method??

The great thing about excruciating pain is....at least you know you are alive.
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curtiscapk View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote curtiscapk Quote  Post ReplyReply Direct Link To This Post Posted: 02/21/2019 at 10:27pm
Wouldn't it be wiser to put it closer to the batteries and run smaller gauge wire for the accessories? My fuse box at the console is powered by battery in the rear bench....
Craig n Paula
THE FLOATER Rebuild
94 Party Barge 24' 115 merc
22mph
OP KS
Truman Lake
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richinnc View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote richinnc Quote  Post ReplyReply Direct Link To This Post Posted: 02/22/2019 at 5:13am
Originally posted by curtiscapk curtiscapk wrote:

Wouldn't it be wiser to put it closer to the batteries and run smaller gauge wire for the accessories? My fuse box at the console is powered by battery in the rear bench....
 
To do that would be difficult for a couple of reasons. 
 
One is that the battery is at the rear of the boat and on the opposite side of the console.  That means an inordinate amount of wires would have to be run under the boat from the back port aft across underneath to the middle starboard where the console is installed.  As I added things, the nightmare of running the wire would be truly repetitive.
 
An other item is my boat is a tritoon so I do not have a clear unobstructed run from one side of the boat to the other.  I just cant crawl underneath and easily secure some kind of wire holder and run wires easily.
 
On top of that, my boat has a metal under cladding and I do not need to puncture that in any way.
 
Also,  I am assuming that is where you would also suggest any switches involved be placed as well?  Then the inconvenience of getting up, moving to the back, and having to flip a switch is not something I would relish. 
 
 
The way I am looking at doing it is running two 4 AUG wires (one pos. & one neg.) underneath the boat as best as possible... hopefully via the path of the current wires by taking a cotton ball and fishing line and sucking the cotton ball down the current path with a vac since I believe there is some kind of black tubing... and getting them up into the console.  However, the positive wire will have a 30 AMP inline fuse block installed within 18 inches of the battery as well.
 
I have done a project similar to this with my 16 ft jon boat.
 
I am a very "cuddly" guy.  (that means fat)  And, in the rear of my jon boat I had me...two batteries... a 6 gallon fuel tank....a Tohatsu 30 HP outboard and other items as well.  The boat sat really low in the water. 
 
I decided to move BOTH my batteries to the center of the boat.  I built a wooden container and after measuring figured I needed a 22 ft run of 4 AWG wire to get from the batteries to the Tohatsu 30 HP and my trolling motor.
 
Prior to making any move, I did a number of battery tests with my meters to see what the start up power pull was....what it settled down to once the Tohatsu was running and also checked to see what the cable temperature felt like.
 
I then disconnected the batteries and moved them into the container I had built.  Then I installed the new cables.  Prior to "cleaning up and making things look pretty",  I conducted all the same tests I did before moving the batteries.
 
All the number matched exactly as before.  So the additional cable length was not a problem since I use the appropriate cable size for the run and load.  After that it was pretty up time.
 
I was leaning from the beginning to running additional cables...….just not looking forward to the actuall process of doing so!
 
 
The great thing about excruciating pain is....at least you know you are alive.
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curtiscapk View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote curtiscapk Quote  Post ReplyReply Direct Link To This Post Posted: 02/22/2019 at 2:25pm
Sounds like you have a plan!!!!!!!ClapStar
Craig n Paula
THE FLOATER Rebuild
94 Party Barge 24' 115 merc
22mph
OP KS
Truman Lake
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