kidd666
I'm Awesome
- Joined
- May 9, 2012
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its a fuse holder for a 300amp fuse. its to protect the wire from an over charge and possible burning the wire. if it gets an over charge it will pop the fuse and then charge the batt though the original wireing. i left all the original wireing there for safty purposes. and i did all of this for the 1500 watt amp and two twelves in the back seat.