04 Rx8

Disconnected battery wires and terminal for repair, and can't remember were the extra piggy wire off + terminal goes its about 6-7 inches down for actual terminal and has a white connector before it goes into harness, plz help i think its a ground but not 100% sure. Does it go grounded to bottom brace???

Also to make sure; the the wire coming off the coils goes connected to the side terminal off the positive battery terminal??

thanks in advance

 

If its what I'm thinking about, it'll be the white connector that plugs into the upper-left side of the fuse panel.
If not... picture might help.