11.Bodie installed the reverse light switch above the already installed neutral safety switch and prewired them. We ran the back-up wires up under the dash and hooked the reverse light ones to the blue and green wires connected to the switch on the column. Come to find out these S-10s don't have an electronic neutral safety switch, so those wires didn't end up getting used. The first-generation S-10s use the steering column to mechanically keep the key from turning to start unless the shift handle is in Park or Neutral. You will lose that option with this conversion so keep that in mind and set the parking brake for good measure.