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Originally Posted by forcefanajd
FOR ALL YOU GUYS WITH SUBS....ALWAYS INSTALL THE INLINE FUSE AFTER THE FIREWALL.....MEANING INSIDE THE CAR.
y u ask....because where you run the wire through the firewall could rub through the insulation and cause it to ground out.....thats fine and dandy....but the fuse wont break...not good just a litte FYI for you system guys out there
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the short has to be after the fuse, not before it....a fuse breaks the circut because it melts...in order for it to melt you have to have a certian wattage....since most car voltages are 12-14volts the fuses are rated in amps....in order for a 40amp fuse to blow almost instantly (a direct short) it needs 960watts or 80amps to blow...if its not a direct short (which by the way causes the battery to try and produce as much current as possible) if it is pulling any where over 40amps over a period of time it will get hot enought to melt and brake the conection.....if you place the fuse after the short then it wont blow because there will be little to no current flowing through the fuse... every installer/electrician in the world isnt wrong about this....the fuse is usually placed in a fuse box as close tot the battery as possible so there is less of a chance of a un-fused direct short....