Quote:
Originally Posted by gsmith660
Mine has this also as I add more and more relays that go right to the battery I think I am going to splice all the smaller wires into the my 8 gauge wire for the headlight/fog lights and the put one 30 amp fuse on the end before the battery and eliminate alot of clutter.
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Then you are not protecting the various circuits. That would be like splicing all of the connections in your house to a main breaker.
The fuses should be sized to protect the smaller wires.
Imagine tying various outlets in your house to a large breaker. Now instead of popping the individual breaker, the wires will be the weak link, and burn out in the walls first.
In your example above the right way would be to put a 30 amp breaker or fusible link as close to the positive terminal as possible, then your #8 wire feeding a fuse block, and the individual fuses sized for each circuit.