ok, here we go.....just finished replacing front axles and hubs on my cherokee. Took it for little drive around block....ran normal....parked it then remove rear axles drained diff then replaced complete rear brakes, everything but backing plate. once done bled brake and was going for another test drive.....problem ..for what ever reason it will not shift out of park....can hear sensor click when brake is engaged, but will not shift......wont think anything i did would have affected shifting any ideas im spent.......HELP