The rear spare tire bracket more than likely hung on two stud (with big wing nuts) that attached to the side of the frame rails (that's the way it is on the TF trucks).
Mike B
Mike Boteler
1956 Chevy 3100 Resto Rod 1952 Willys M38 Army Jeep 1983 Jeep CJ7 Laredo 1984 Jeep CJ7 +++++ Silver Spring, MD