Are you in low or high range? Do you have the pin 7 mod? If low range w/o pin 7 then it's automatically going to be on. If it's high range w/o pin 7 then it should disengage itself. If it's high or low range w/ pin 7 then make sure your button is on the right setting. I'd say it's probably like the diff locks, keep going back and forth with it (engage/disengage) until it goes.
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Rising Sun Bio
2F "Brahma" + Lockright, tach, Warn 8274, FJ60 Power Steering,
soon to lose the Sanden OBA
to go back to factory emissions
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Up next: Something that makes a funny whistling noise...