Replacing battery cables.
 

I am needing to replace my battery cables on my 2002 trailblazer. I have found where the positive cable connects to the alternator and the fuse box, but can't find where the third leed connects to. Where does it connect at?

On my 2000, it goes to a large fuse on the back of the radiator support, under the right headlight. Not sure if yours is the same.