Don Hammond Posted May 30, 2019 Author Report Posted May 30, 2019 Here is a quick drawing of how it is currently set up img20190530_13555823.pdf
Don Hammond Posted May 30, 2019 Author Report Posted May 30, 2019 awesome thank you very much. I just got back into car audio and it has been along time to be honest. A lot has changed since the late 90's early 2000's
Mike4068 Posted May 30, 2019 Report Posted May 30, 2019 Fuses right after the front battery and right before the rear battery at wire rating. Fuses from rear battery to amps at amp rating.
Joshdashef Posted May 31, 2019 Report Posted May 31, 2019 6 hours ago, Don Hammond said: I currently have 2 SHCA 1/0 + going from front battery to rear battery both fused with 350 amp ANL fuse per run both ends. My question is coming off the rear battery to the + distribution block do I need another fuse holder. It is 2 short runs 1' inside the vehicle. Then from distribution block to amp's do I need to fuse again? Those rubs are only 1.5' long max. 350 a fuse on your main runs ? Last I checked 1/0 ofc was 300 unless I’m wrong ? Don’t want you to have a fire hazard bro be careful SMD Tool Map (2024): https://www.stevemeadedesigns.com/board/topic/226545-smd-tool-map-2024/ Great Box Bracing Examples: https://www.stevemeadedesigns.com/board/topic/202148-best-way-to-brace-a-box/?do=findComment&comment=3055002
Don Hammond Posted June 3, 2019 Author Report Posted June 3, 2019 I thought 1/0 was rated at 350 so that is what i went with. If i am wrong please let me know lol. I read on another post on SMD forum 1/0 was rated 350amp. It is for the main runs. I just bought another fuse block from SMD to fuse each amp.
CstrokerV Posted June 3, 2019 Report Posted June 3, 2019 Depends on your brand of wire... some are oversized and rates higher my build http://www.stevemeadedesigns.com/board/topic/142505-small-build-log-4-dc-lvl3-10s-tl-update-link-to-rebuild/ http://www.stevemeadedesigns.com/board/topic/154258-rebuild-6-lvl3-12s-update-small-video-nothing-spectacular/ new build http://www.stevemeadedesigns.com/board/topic/188181-03-trailblazer-slow-build-8-dc-lvl3-12-m1-motor-m2-parts/
SnowDrifter Posted June 3, 2019 Report Posted June 3, 2019 Also its composition. i.e. copper based or aluminum based(cca) ~~~~~~~~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
Kyblack76 Posted June 3, 2019 Report Posted June 3, 2019 And,.. it all depends on length. If i was you,.. id put smaller in. Just me. At 350,... your wire is the fuse imho. I bet you could get away with much smaller, and in this case, smaller is better....but, its your rig. EDIT - also,.. your demand is whatever,... you didnt list anything about what your SUPPLY is. Lets say i had 10, NS1's. Lot of demand ya? But, i had a 40 amp alt, and my starting battery. So, figuring demand, i need max fusing on my runs eh? .......... no, you dont. (your wire will fail before the 500 amp fusing you thing you need) SMD SUPER SELLER The Burban Build Blazer Build sold Acura trunk build sold
Don Hammond Posted June 9, 2019 Author Report Posted June 9, 2019 Ok I will try and give more details this time lol. Apex alternator rated @ 390 amps, 2 xs power d3400 batteries, 2 KXA 2400.1 rated @ 2400 watts ea, 2 Q class 500.4 rated @ 500 watts ea RMS, 4 DC audio level 3's d2 with level 4 LR surround, just purchased. I ran 2 1/0 OFC SHCA power from front battery to rear(15' run), fuse holder as both ends. One SMD dual fuse holder after the front battery and one SMD dual fuse holder before the 2nd battery. From the 2nd battery I ran 2 1/0 to distribution block, from distribution block to SMD Quad XL fuse holder. I am going to fuse each amp as recommended, but what i am looking for is the fuse size between the batteries. I thought the bigger the fuse the better. Am I wrong?
AaronT Posted July 8, 2019 Report Posted July 8, 2019 Fuses from final distro to amps should be appropriate for amps current to protect them. All other fuses are there to protect from shorting and fires or melting of wires.
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