Looking for advise on the procedure for engaging and disengaging the transfer case on my newly acquired 74 Bronco. It has a 302 with a C4 auto trans. It has no shift patter on the transfer case knob. Is the transfer case shift pattern 4L-N-2H-4H. Should my transmission be in park or neutral when I try to engage/disengage the transfer case? The transfer case shift lever has all sort of play/slop in it from front to rear and side to side. Should this be like that? Is there any way to adjust the linkage? Thanks,

74 has j type t-case
74 has j type t-case shifter.as in letter j .all the way to the right and all the way up is 2w high.straight back and down is 4 high.all the way left and straight up twards dash is 4 low.hubs should be engauged when going into 4-wheel.2 wheel high to 4 wheel high can be done while moveing.stop for 4 wheel low.to come out of 4 wheel low is best ,to stop,go into reverse .with a little gas go bak then let off of gas ,at same time pull t-case lever straight back to 4 hi. .then start forward let off gass shift into 2 hi.
remove boot at bottom of shifter .check bolt that holds shifter in place.tighten in nessary.