i have a 63 olds f85 with orginal motor someone put a 350 trans in it but never finshed hooking it up as far as the detent cable vaccum line and shifter the car has a column shifter i want to put a floor shifter how do i do that and still have a nuetral safety switch and back up lights the column have a nuetral safety switch but the gear selcetor is PNDSLR the 350 trans is PRND1 HELP.