neutral safety switch question

i have a 70 duster my reverse lights are not working there is no wireing harness going to the nss i have a wire on the center prong so i can start my car in neutral or park there is 3 prongs on the nss can i run 12 volts to the outside prong and run a wire from the other outside prong to my reverse lights will this work i hope i made this understandable thanks for any help