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Thread: Distribution Blocks and Fusing
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06-02-2015, 11:48 AM #1
Distribution Blocks and Fusing
I’m replacing an amp in my boat pretty soon and I have some questions on fuses and wiring. What I have now is working fine, but I figured I would pull it all out anyway in the name of aesthetics because I haven’t broken anything yet this year and it’s already June.
What I really want to do is add distribution blocks to have a single terminal from the battery switch powering all of the stereo (2 amps, head unit, and EQ)…right now I have like 5 things on the common part of the Perko switch, so that thing is pretty much over-G’d and I want to clean it up.
My question pertains to fuses… I have a Kicker 700.5 powering cabin and sub, and I am installing a IX500.4 to power the tower speakers (found used very cheap, replacing stock Kenwood amp). So I was going to get a distro block that takes (1) 1/0 Ga Input and outputs (3) 4 ga. The manuals state that the 700.5 takes 1 x 90 Amp external fuse (near the battery) and the IX500.4 takes 2 x 50 Amp external fuses (one near the amp and one near the battery). There is also an option to get fused distro blocks. So now I am confused as to the order of fuses, blocks, and battery. I want this done right, so can somebody help me with what I need to buy to do this correctly?
I know I need one fuse at (near) the battery for the 1/0 wire. Should the amperage of this fuse be the total of the max amperage of both amps? (50 + 90 = 140A fuse?)
I also need one near the IX500.4 (according to the manual), so that will be near the amp but before the disto block right?
I already have the 90 amp breaker for the 700.5, is that still necessary and if so, where should it go?
Individually, I know how to do this properly, but adding the distro block is what is throwing me off.2007 XLV Gravity Games Edition
340HP CAT/ETX
ACME 1235 / Fresh Air Exhaust
1180 Front, 1100s Rear, 400 under Surf Side Seat, Homemade Suckgate, Custom Surf Platform
Slingshot Hooke, Doomswell Neo, Phase 5 Hammerhead, Parker Surfcraft Phantom