Outer Limits 4x4 Board

Mate called me to say that 1999 toyo tray with factory diff locks has decided to neutralise everything,as in lockers out position no drive to front or rear.Lockers in L4wd drives along ok.Lockers out H4wd ,1st,2nd etc ,No drive.Anyone heard of this and can let me know as i will tell him tommorrow so he can get back to work.

simple remedy, give them to me and ill give you open 4.11's, never have the problem again.

Seems like broken rear axle after much talking on the phone and which gear selection.Find out 2wd diff lock out gives no drive and 2wd diff lock in gives drive.Just gunna work out which axle.
Such is life.