Quote:
Originally Posted by Not for highway use
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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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.