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Message: <blockquote data-quote="loopkiller" data-source="post: 5598972" data-attributes="member: 601690">The stock wire is effectively a fuse due to how thin it is. The manufacturer never used a fuse because the wires they run are out of the way of any moving object. They also assume that if you get in a crash that might cut that wire, the engine will stop running anyways. That wire coming from your alt usually goes directly to the fuse box, then to the battery. So if the engine is not running due to the crash, and then the wire is grounded, the fuse will pop due to the battery supplying the current.Cliffs, to be safe, always fuse any POS+ wire you add. It is a $10 insurance policy. Fuse based on wire rating.</blockquote>

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