THIS IS FOR AN AOD AUTOMATIC TRANSMISSION THIS IS OFF OF A 1986 BRONCO COMES AS IS PLEASE LOOK, EVERYTHING MOVES AS IT SHOULD ITS A LITTLE RUSTY AND LOOKS UGLY BUT IT DOES THE JOB, IF YOU ARE UNSURE WHICH TRANSMISSION YOU HAVE PLEASE LOOK DOWN BELOW...
P R N (D) 2 1 - E4OD (1992+ will have OD cancel switch on column shifter) (1989-1991, OD cancel switch on dash, right side of steering column)
P R N (D) D 1 - AOD
P R N D 2 1 - C6
Or you can count the pan bolts.
17 pan bolts - C6
14 pan bolts - AOD
20 pan bolts - E4OD