neutral safety switch wiring

hi i just put a b&m shifter in my 68 nova and i need to wire it up stillthe neutral safety switch the reverse lit and what ever else there is that gets wired it was a column shifter stock so im guessing the wires i need to put the switch in the middle of is one of the wires running up the bottom of the column does any one no what color wires go where or any thing that might help me out im really not to good when it comes to wiring