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Old 23-09-2017
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Default Running 12V power battery to under dash

Hi All,
I have a KJ but my question could apply to any vechicle really.
I want a good supply of 12v power that I can easily access under my dash from my battery. Both +ve and -ve. this is so I can power accessories as I add them. Currently I need to wire up a UHF and a flashing light (rotating beacon).
Question is: Once I find a suitable spot to run the dual core (6mm) through the fire wall what is the best attachment to put on the end of the wires so I can than join other wires to? Fusebox, bus bar or just keep soldering wires onto the end.
Cheers,
NFHU

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Old 23-09-2017
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Fuse box / distribution box
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Old 23-09-2017
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Quote:
Originally Posted by Not for highway use View Post
Hi All,
I have a KJ but my question could apply to any vechicle really.
I want a good supply of 12v power that I can easily access under my dash from my battery. Both +ve and -ve. this is so I can power accessories as I add them. Currently I need to wire up a UHF and a flashing light (rotating beacon).
Question is: Once I find a suitable spot to run the dual core (6mm) through the fire wall what is the best attachment to put on the end of the wires so I can than join other wires to? Fusebox, bus bar or just keep soldering wires onto the end.
Cheers,
NFHU
Hi mate.
have a look at this drawing.


Easy to do yourself with the right tools. Plenty of info around on google.
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Old 23-09-2017
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Thanks for the diagram. Why do you need circuit breakers if there are fuses in there as well? What size breakers would I need?
Thanks
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Old 24-09-2017
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Originally Posted by Not for highway use View Post
Thanks for the diagram. Why do you need circuit breakers if there are fuses in there as well? What size breakers would I need?
Thanks
Circuit breakers are to protect the entire thing including your runs to and from the battery. Individual fuses protect individual things you power up.
Btw do not solder any wires in a car/4WD. Soldering is not a good way to connect 12V in automotive areas as the connection raises the resistance and therefore increases the voltage drop which means you end up with less volts where you want it. Go for proper crimp lugs and good quality wires. In the long run you will have less problems. If you have connections outside in the wet consider using some spray protection on terminations.
Also a good idea is to run a negative wire back to the battery instead of just grounding it via the chassis.
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Old 26-11-2017
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sorry for the late reply. Thanks. While hunting around in the dash I found a good pick up point from the PO
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