I just had this issue, for me it was leaking from a rust hole near the fuel tank, there is a plastic retainer to hold your fuel, brake and electrical harness in place and it was leaking from there just above where the front part of the rear trailing arm connects, from what I saw on that line it ran from a small fitting by the LR wheel down and straight along the frame rail until you get to the LF tire, it then went 90 degrees up and another 90 degrees right over the frame then another 90 back going to the front... that's when i lost it in a gaggle of electronic, fuel and brake lines but I would assume it goes directly into the master cyl. or ABS controller. probably not much help but it was at that point i decided not to trace it any further since i made up my mind just to fix the bad section of line instead of the whole thing
