fuse big 3?

[accuab 10+ year member]

On the big 3 thread when talking about the alt to battery wire, it says that a fuse is optional. When would it be needed to use a fuse on this wire? And should the fuse be whatever the alternator is rated at?

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[sacsking916 5,000+ posts]

if your going to fuise it allw for full amperage from your alt to get to your battery. its not needed but it is safer to do.

 

[Tek18 10+ year member]

its just a precausion, im just going to wrap mine so its safe and i will be fine,

 

[accuab 10+ year member]

if your going to fuise it allw for full amperage from your alt to get to your battery. its not needed but it is safer to do.

To allow for full amperage, how would I know what fuse to use? Would that just be what the alt is rated at?

On another note, what fuse should be in the power wire to the amp? Equivalent to the fusing of the amp itself? I know most people just leave the fuse in there that came with an installation kit but was wondering what is the correct value to use.

 

[GVP 10+ year member]

To allow for full amperage, how would I know what fuse to use? Would that just be what the alt is rated at?
On another note, what fuse should be in the power wire to the amp? Equivalent to the fusing of the amp itself? I know most people just leave the fuse in there that came with an installation kit but was wondering what is the correct value to use.

What ever fuse rating your amp is

 

[>>SQL<< 10+ year member]

If you fuse the wire going from battery to Alt how is that going to offer any protection?

if the wire shorts out on the exhaust for example, the fuse will pop at the battery but will still be shorted from the Alt to the exhaust causing large electrical problems.

The most important thing to do is use TechFlex on the wire and wire tie it in a way that it cannot contact anything moving or hot.

I did not fuse mine and I feel very safe with my setup.

 

[accuab 10+ year member]

What ever fuse rating your amp is

is this for the fuse on the power wire? that's what i'm assuming it is. what about for the alternator to battery wire?