hi guys new to the site so here goes,just brought a series111 1971, problem is it wount engage high box, low box is fine so is high box with 4wd engaged but just high box nothing just like its in neutral,had floor pannels up cleaned and lubed all the leavers nothing its like something is stopping it from engaging. theres very little between neutral and what should be high box engaging any suggestions as ive never had this problem befor
thanks
thanks