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Where to fuse?


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I got 1 battery under the hood, and 2 batteries in the back and am going to put all my power and grounds to bus bars to make things easier. (the bus bars are not attached to the top of the batteries in the back)

I got the power from the front to the back fused in the front and plan on fusing it in the back going to the bus bars. For the batteries in the back, does there need to be a fuse between the battery and the bus bar or the bus bar and the amp, or both.

Also for future reference, fuse between alt and front battery necessary? or am I just going over board with fuses.

Thanks for the help!

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I am not 100% sure but was told that you don't need to fuse from alt to front battery. from front to back yes. I was planning on putting a fuse from the alt to the battery but am not now.

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I run the a fuse between alternator and front battery then fuse to back battery in the front also. I like protection.

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To be completely safe, you should fuse anytime you split wire or change wire size as well as anytime wire exits a power source.

Going by that, you should fuse between batts and buss bar, and between buss bar and amps. Also, between batt and alt.

But of course it is all up to how far you want to go with protection.

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Any wire that is connected to a battery should be fused with in 18" I always say the closer the better. People who say fuses aren't need are asking for trouble. Don't be stupid. Fuse yer shit. ;)

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