Fusing question

[Why So Cereal? 5,000+ posts]

Right now i have zero gauge going from hood battery to batcap 800 in trunk. the wire in hood is fused with a 300a fuse.

I plan on running a kicker zx1500.1 that calls for 150a of fusing. Do i need extra fusing in the trunk? or should i be fine with the 300a fuse in the hood?

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[mylows10 5,000+ posts]

run the 2nd fuse in the trunk. 2nd battery =2nd fuse

 

[Why So Cereal? 5,000+ posts]

got ya

 

[Kangaroux 5,000+ posts]

You ideally want to fuse within 18" of any battery

 

[Why So Cereal? 5,000+ posts]

You ideally want to fuse within 18" of any battery

I think someone told me that before. Thanks again.

 

[mikelaubach 10+ year member]

In any direction. IE - that 0ga run to the rear battery should have a fuse before it gets to the rear battery. If not, then if something happens to the cable under the hood (after the front fuse), then you have a 0ga line being fed by the rear battery towards the front. Fire. Fire! Fire!! Yuck.

So two batteries = three fuses!

front battery - fuse - 0ga run - fuse - rear battery - fuse - amplifier(s)