What you saw was most likely a differential breather tube. Trace it back and if the line goes to the tube in the frame then its not a locker line.


Richard E
1989 Montero - Stock-ish
1989 V6 Auto Raider - 5.3 Vortech Swap.
1987 Mitsubishi Starion 2.6t, soon to be 3.5
1983 Honda XL600R