Fuse Block Questions.

GTABurnout

Explorer
Ok so i plan to run the electrical in my Tundra the correct way rather then a huge mess like I am used to. I have read up on the fuse block options and see that Blue Sea has a good set up for cheaper then the painless block.

I plan to run this under the hood along with a few relays for the high powered components. First thing that will be added to the block is power for my back up camera from there I plan to have at lease two HID fog lights as well as possably some back up lights.

So my question is why would I want a block with a negative bus? I am a mechanical guy not so much electrical.

Would I be fine with a 12 circuit or should I get the neg. bus, I don't mind the cost diffrence but I need a reason for getting something I have no clue what value it adds.

thanks
 

SunTzuNephew

Explorer
Ok so i plan to run the electrical in my Tundra the correct way rather then a huge mess like I am used to. I have read up on the fuse block options and see that Blue Sea has a good set up for cheaper then the painless block.

I plan to run this under the hood along with a few relays for the high powered components. First thing that will be added to the block is power for my back up camera from there I plan to have at lease two HID fog lights as well as possably some back up lights.

So my question is why would I want a block with a negative bus? I am a mechanical guy not so much electrical.

Would I be fine with a 12 circuit or should I get the neg. bus, I don't mind the cost diffrence but I need a reason for getting something I have no clue what value it adds.

thanks

The negative buss gives you a place to terminate the negative side of each circuit. Since the electrical path to the device includes both the positive side and the negative side, having a good ground via the negative buss, and using high capacity wire for it (as well as the hot side to the fuse block) reduces the loss of the circuit to and from the device being powered.

I use them.
 

adrenaline503

Explorer
Hello,

Where to begin. I actually have a Blue Sea fuse block (12 fuse model) with the negative bus. I chose to go with the Painless set up because I wanted a simple solution to the ignition power only circuits. The negative bus is electrically the same as ground, with is electrically same as the negative terminal on your battery. Ideally, the negative bus on the fuse block should tie into the negative battery terminal or the tie point for all your chassis grounds. If you follow the large wire from the negative battery terminal you will come to a point where it ties into the chassis ground. Since all your additions will require a ground (relays, HIDS, back up camera) the negative bus provides the opportunity to tie all of these components to a true "ground". This grounding point will be superior to "local" grounds that you often see. A local ground might be a self tapping screw drilled into the body somewhere. It is easy to see how this ground may not be as good as one tied to the true ground (negative bus) on the fuse block. In reality, is it really going to matter? Maybe not. Unless you get into audio or radio circuits where ground noise is a problem you may not need the bus. The real question is do you want to run all your ground circuits back the fuse block? Although I am using the Painless fuse block I am using a Blue Sea bus bar for all my grounds because I like the neat wiring and troubleshooting simplicity it provides. So for me, yes, the negative bus is worth it.

Plus, if youre interested in the fuse block I have send me a message.
 

Mike S

Sponsor - AutoHomeUSA
The Blue Sea negative bus option complies with marine wiring standards - where all grounds run back to a battery/ground terminal. It is overkill for a truck or car. I used one to replace the factory fuse panel in my Airstream, and have the option to ground all circuits at the fube panel.

These are excellent quality products.
 

tacojosh

New member
I use this

This system takes care of all my needs in one compact unit!
6 Fuses
6 Relays
12 terminals 6 positive and 6 negative
6 diodes to protect sensitive stuff
6 switch panel

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