MD7786 Posted February 26, 2012 Report Share Posted February 26, 2012 Ok so I'm about to do the big 3. I am running 2 yellow tops with 0 gauge now with it fused twice on each end of my power wire. Now do I need to fuse my power from my alt yo battery and what size fuse? Link to comment Share on other sites More sharing options...
beatinpearls Posted March 17, 2012 Report Share Posted March 17, 2012 If you run a completely new wire from the alternator to the battery you should fuse it. And use a fuse at or slightly above the alternators output. Link to comment Share on other sites More sharing options...
SnowDrifter Posted March 17, 2012 Report Share Posted March 17, 2012 You want to do it right? Fuse to protect the wire, not the equipment. 0 gauge - use a 250 or 300 amp fuse Use 2 fuses - 1 near the alternator, one near the battery. The idea behind fusing isn't to blow if you alternator puts out too much power - it's to stop your car from burning to the ground in the event of a short or something. I say use 2 fuses because of this: If you only fuse near the battery, and a piece of wire shorts out on the alternator side of the fuse - hello short circuit, hello fire. Same idea with fusing only near the alternator. ~~~~~~~~SAY NO TO PHOTOBUCKET~~~~~~~~ Snow's DD-1 tracks here: https://www.stevemeadedesigns.com/board/topic/167433-snows-dd-1-tracks/ My take on OFC vs CCA: https://www.stevemeadedesigns.com/board/topic/110381-things-that-piss-you-off-in-the-car-audio-world/?do=findComment&comment=2461444 Link to comment Share on other sites More sharing options...
will77530 Posted March 17, 2012 Report Share Posted March 17, 2012 i didnt Link to comment Share on other sites More sharing options...
SnowDrifter Posted March 17, 2012 Report Share Posted March 17, 2012 i didnt Some people don't run fuses at all and never have issues. Others don't get so lucky. It really just depends on how good you are at keeping wire away from hot/sharp things + some luck I fuse all my stuff and reccomend everyone to do the same- a 3$ fuse and a 10$ fuse holder is cheap insurance IMHO. ~~~~~~~~SAY NO TO PHOTOBUCKET~~~~~~~~ Snow's DD-1 tracks here: https://www.stevemeadedesigns.com/board/topic/167433-snows-dd-1-tracks/ My take on OFC vs CCA: https://www.stevemeadedesigns.com/board/topic/110381-things-that-piss-you-off-in-the-car-audio-world/?do=findComment&comment=2461444 Link to comment Share on other sites More sharing options...
will77530 Posted March 17, 2012 Report Share Posted March 17, 2012 i didnt Some people don't run fuses at all and never have issues. Others don't get so lucky. It really just depends on how good you are at keeping wire away from hot/sharp things + some luck I fuse all my stuff and reccomend everyone to do the same- a 3$ fuse and a 10$ fuse holder is cheap insurance IMHO. no one had a 250 amp fuse when i was doing it so i just said fuck it Link to comment Share on other sites More sharing options...
nuttyjjr Posted March 17, 2012 Report Share Posted March 17, 2012 i drive an s10 and my fun of 0 was like 10 in long so i didnt run a fuse.....but im also running connectors that i dont have to worry about a lead pulling out but if your run is in an odd spot (near headers or touches anything at all) then i would fuse near your alt. Then fuse your run to your amp within 10 or less inches of your batt and the same on the end with your amp Like everyone says fuses are cheap alts and cars are not lol Link to comment Share on other sites More sharing options...
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