I bought this http://www.knukonceptz.com/productDe...m?prodID=FH-24 in line fuse holder from knukonceptz. I dont really know how to inside the wire into it. I have the correct size alan key to loosen the screw, but there wasnt enough room to stick my 4 awg wire in there. So I took out this little barrel piece that was removable and it fit. I tighted the alan key as much as I could and then screwed back on this piece to the end. On the ends of the fuse holder, there are these red rubber things, but there is no way in hell the 4 awg wire would fit thru that. So I just took them out.. Maybe someone has used knukonceptz fuse holder before.

 

I'm sure the red rubber seals will fit over 4 gauge wire You need to stretch them on there before you strip the wire. You did strip the ends of the wire, right?

 

trust me, there is no way they are gonna fit.. I just talked to knukonceptz, and they said the rubber piece was only if u were going to use 8awg wire.

 

Not that I can help, but I bought this http://www.knukonceptz.com/productDe...prodID=BC-1428 and still can't figure out how to use it.