JekRankin
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| posted on 1/4/11 at 12:26 PM |
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Wiring battery to fusebox
Apologies in advance for what is a very basic question, but I'm a little stuck!
Just starting to have a look at wiring my car. My plan is to have four fuses in my fusebox fed directly from the battery with 10mm cable.
My question is, how do I physically make this connection? Running 4 separate cables to the battery seems a bit messy - is it normal practice to use
some form of junction box near the fusebox to distribute power?
I've bought a book on Auto Wiring, but it doesn't have any mention of how this is usually achieved.
Jek
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phoenix70
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| posted on 1/4/11 at 12:50 PM |
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10mm is a big cable, what I did was split the big cable into smaller sections and solder smaller cables from that to the fuses, then covered it all
with shrink wrap.
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40inches
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| posted on 1/4/11 at 12:53 PM |
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Battery distribution box or
Junction box 
Or, if you already have a fuse box, run one cable from the battery to the first fuse, then daisy chain/loop along to the other fuses.
Crude drawing:
 
[Edited on 1-4-11 by 40inches]
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snowy2
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| posted on 1/4/11 at 01:23 PM |
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as above for me......but it is tidier to take the live feed from the starter motor solenoid. also you dont want all your fuses battery live all the
time or you wont need keys to operate anything. a wire of about 5mm diameter will be man enough for the electrics you need and in all honesty is
bigger than you need, and bigger than i use. (i use some wire about 4mm diameter)
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daviep
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| posted on 1/4/11 at 02:23 PM |
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I'm guessing when the OP says he is using 10mm cable he is refering to 10mm cross sectional area which is about 4mm diameter.
Davie
“A truly great library contains something in it to offend everyone.”
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britishtrident
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| posted on 1/4/11 at 02:24 PM |
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Another way to do it is to take your feed from the battery to a high current rated Midi or Mega fuse in a single holder and feed the distribution
fuse from that.
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big-vee-twin
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| posted on 1/4/11 at 04:42 PM |
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You need a couple of fuse boxes with 5-6 fuses in each, feed one with permenant live and the other switched through the ignition switch.
Ideally the cable feeding the fuses should be fused too, to protect the supply cable to the fuses, usually about 30- 40 amps depending what your
connecting.
Duratec Engine is fitted, MS2 Extra V3 is assembled and tested, engine running, car now built. IVA passed 26/02/2016
http://www.triangleltd.com
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coozer
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| posted on 1/4/11 at 04:46 PM |
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Get one of these off a Nissan Note in the scrappy.
4 fused outlets right on the battery. Get the connectors that go in them as well and your sorted.
[Edited on 1/4/11 by coozer]
1972 V8 Jago
1980 Z750
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JekRankin
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| posted on 2/4/11 at 06:44 AM |
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Thanks for all the helpful replies, I'll have a look at all those options.
Sorry for not being clearer in my original post; the 10mm cable I was referring to was cable with a cross sectional area of 10mm^2, which as 40inches
says, is about 4mm diameter.
I'm planning on having 8 fuses in total, with four permanently live from the battery. The remainder will be switched through the ignition,
although the wiring for these is already complete courtesy of one of Eddie99's looms.
Jek
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omega 24 v6
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| posted on 2/4/11 at 09:12 AM |
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I took the 10mm cable through a 70 fuse (midi fuse)and soldered it into a 8mm microbore copper pipe 40mm long. then took 6off or 8off 2mm cables out
of the other end of the copper pipe to each fuse. covered it all with heavy duty and resined heat sleeving.
If it looks wrong it probably is wrong.
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daviep
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| posted on 2/4/11 at 01:38 PM |
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quote:
Originally posted by JekRankin
Sorry for not being clearer in my original post; the 10mm cable I was referring to was cable with a cross sectional area of 10mm^2, which as 40inches
says, is about 4mm diameter.
Jek
Who said that
“A truly great library contains something in it to offend everyone.”
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40inches
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| posted on 2/4/11 at 05:31 PM |
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quote:
Originally posted by daviep
quote:
Originally posted by JekRankin
Sorry for not being clearer in my original post; the 10mm cable I was referring to was cable with a cross sectional area of 10mm^2, which as 40inches
says, is about 4mm diameter.
Jek
Who said that
Wasn't me! you can't prove a thing
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