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12v power distribution?


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shafferny 
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Posted: February 04, 2010 at 3:22 PM / IP Logged  

What is the most effective of distributing power from one 12v/30A wire into four?

Basically I'm looking to power four to five polarity wires on the remote starter I'm going to installing. I want something clean and professional.

Any thoughts or ideas?  

chev104275 
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Posted: February 04, 2010 at 3:44 PM / IP Logged  
what kind of car ?    what kind of system ?
If i Can't Install it    I Don't need it   Joe
shafferny 
Copper - Posts: 240
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Posted: February 04, 2010 at 4:49 PM / IP Logged  

Vehicle '03 Jeep LIberty - Remote Starter Viper 5101

When I go to install there are going to be at least four +12v constant connections. I'm thinking of running one wire from the battery to power all four connections.  I'll need to power two polarity feeds for onboard relays, plus power the remote stater itself, and finally the door lock interface (Omega DB-CHDL4P).

tedmond 
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Posted: February 04, 2010 at 5:04 PM / IP Logged  

the wire at the ignition harness be able to handle the current load.

if you wish, you can run an 8 guage into the knee kick and pull all your power from there.

Ted
2nd Year Tier 1 Medical School
Still installing as a hobby...pays for groceries
Compustar Expert
shafferny 
Copper - Posts: 240
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Posted: February 04, 2010 at 5:11 PM / IP Logged  

tedmond, I've currently got a POS Desigen Tech RS installed in the Jeep with a dedicated power wire ran through the firewall, so I may just reuse that. What is the best way to divide up power from one wire though? Do three separate splices into it and branch off? That seems like a messy install though.

oldspark 
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Posted: February 04, 2010 at 5:35 PM / IP Logged  
Splice? You mean split the cable? ??
I use wire joiners - screw terminals etc.
Others use other splitting systems.
Some use fuse boxes (4 - 6 fuses etc) depending on suitabiliy.
shafferny 
Copper - Posts: 240
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Posted: February 04, 2010 at 5:41 PM / IP Logged  

Yes. Splitting the cable/wire to send power where it needs to be.

oldspark 
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Posted: February 04, 2010 at 6:12 PM / IP Logged  
So splitting a 30A cable into 4 splits of 7.5A each, or 10+10+5+5 etc?
No - that is neither clean nor professional.
But if you can get that looking clean, then you shouldn't object to splicing (and soldering) the required wires to it.
Not that many professional might do that (I don't know), but I do, and car manufacturers do (or did).
Isn't it cute how "clean" and "good looking" definitions vary?
shafferny 
Copper - Posts: 240
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Posted: February 04, 2010 at 6:31 PM / IP Logged  

My plan is to do exactly as you described oldspark. I'm just wondering if there is a simple and effective alternative to accomplish the same thing. I don't want to go so far as to install a fuse block, but what alternative are out there?

tedmond 
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Posted: February 04, 2010 at 6:55 PM / IP Logged  

a fuesd distribution block will do.

or you can just use inline fuses on the wires that you will drawing 12v from. a fuse box would be nice, but clutters up room.

Ted
2nd Year Tier 1 Medical School
Still installing as a hobby...pays for groceries
Compustar Expert
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