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150 amp fuse for a 80 amp alternator. big 3.
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<blockquote data-quote="72Impala" data-source="post: 8355022" data-attributes="member: 559727"><p>I'm not gonna get into a pissing match. I agree with fusing for the source to a point. If your 4 channel amp has internal fuses honestly you don't have to fuse for that source. It's like putting two fuses inline right next to each other. For amps that require external fusing, you fuse as close as to possible to the amp, the fuse at the other end (origin of power), should be fused for the wire.</p><p></p><p>If you have a H/O alt charging your front battery, you would not want a 100a fuse because you will cause unwanted resistance at the point of the fuse, resulting in power loss and added heat at the fuse AND alternator. I would then fuse for the wire and output of the alt, which would be 250-300 most likely.</p></blockquote><p></p>
[QUOTE="72Impala, post: 8355022, member: 559727"] I'm not gonna get into a pissing match. I agree with fusing for the source to a point. If your 4 channel amp has internal fuses honestly you don't have to fuse for that source. It's like putting two fuses inline right next to each other. For amps that require external fusing, you fuse as close as to possible to the amp, the fuse at the other end (origin of power), should be fused for the wire. If you have a H/O alt charging your front battery, you would not want a 100a fuse because you will cause unwanted resistance at the point of the fuse, resulting in power loss and added heat at the fuse AND alternator. I would then fuse for the wire and output of the alt, which would be 250-300 most likely. [/QUOTE]
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150 amp fuse for a 80 amp alternator. big 3.
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