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The fuse size will protect the wiring depending on its size but the question is what amperage does the system draw/use and therefore what size wire is needed and the fuse will be the size of the system amperage draw and the wire size also determined by the amperage draw because if the amperage draw exceeds the capacity of the wire the wire will melt so the fuse should project the wire by cutting the current flow when it exceeds the wire siaze but the system needs the cureetn flow, amperage it is designed to use.
It depends on the size of the amp. The best route to take is to purchase an amp installation that includes the power and ground cables, RCAs,remote turn on wire and...fuse holder with fuse. You choose the amp kit base upon wattage ofthe amp and they come in 0,4 and 8 gauge sizes.
hello . what has happen is one of a couple of thing .? the wire could be burnt becouse of to menny amp's going throught it . becouse it's fuse is to big for the size of the wire. that you are using for your hot wire.to run your amp.!!! it work like this !!! the wire is gaged buy it's size .!!! and that determine's what size of fuse that could be used .!!! for that gage of wire.!!! in amp's.!!! that it let flow through it.!!! and a fuse is determin in it size in amp.!!' it will let flow through it the fuse. !!! and most likly you or someone has put to big of a fuse in .!!! you inline fuse holder .!!! that run's from the + hot of the battery all the way to your + side of your amp's.!!! that's mostlikly where you will find your problem.!!! check it first.!!! ok .!!! then check your amp it should have a fuse that plug's in to it .!! on the side of the amp.!!! you need to make sure that you use the right size of fuse for that gage of wire.!!! if you use to big of fuse you will have a wire fire or a melt down that burn's the wire in half or worst.!!! hope this help's you let me know. "GOOD LUCK"
What type of alarm system is it? The size of the fuse varies slightly depending how extravagant the alarm is. You could try to low ball it and if it pops the fuse then get a slightly bigger one. You might start out at 15 amps. BUT, if you can tell me the make and model of the alarm then I might find out the correct size. I hope I can help. -Andrew Hawkins