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Message: <blockquote data-quote="Savant" data-source="post: 127714" data-attributes="member: 546108">If you run a fuse bigger than the wire is rated for and **** a lot of juice through it, you will melt the wire and cause a short and possibly start a fire..  You really don't want to run a fuse rated bigger than you should for the given wire...If he really wants to run 150 Amp fuse, he should run the 0/AWG wire.. better to see the headlights dimming and back off the gains on the amp than to start a fire in his car..EDIT: just ran some stuff through a calculator.. 125 amp was the biggest I could get on a 4 gague wire.. 2 gauge would hold a 150 easily.. 2 gauge to about 175 amps..</blockquote>

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