Neutral Safety Switch wiring The 1967 - 1972 Chevrolet & GMC Pickups Message Board. This is for a new 1974 Chevy II Nova wiring diagram manual. The manual shows the color of the wires, location that each wire runs to and the gauge of wire. The diagram is printed clearly and is easy to read. SKU # L1924
![[DIAGRAM] Wiring Schematic Gm Neutral Safety Switch Wiring Diagram FULL](https://ww2.justanswer.com/uploads/oldnewenglandmarine/2011-05-01_015621_yamwire.jpg "[DIAGRAM] Wiring Schematic Gm Neutral Safety Switch Wiring Diagram FULL")
![[DIAGRAM] 98 Chevy Neutral Switch Wiring Diagram Free Picture](https://lh5.googleusercontent.com/proxy/H_4HzNSlPFp6VST3D5k0jG5WoRtcpIymGn70e1QwSdAi_888fRVJhlaEfGQp1Xd_N-jV0EFzpt2QIk60ej1PayAwjClKkOikXU6blmhoBAmOT1o6Cq9I_PAiFv1qipNUUuBxhCg0hYowplQxwbuzr2pL14SfwUh6KOYSZFG2QdoVgLb59ysefPR3sPVt=s0-d "[DIAGRAM] 98 Chevy Neutral Switch Wiring Diagram Free Picture")
![[DIAGRAM] Wiring Schematic Gm Neutral Safety Switch Wiring Diagram FULL](https://cimg2.ibsrv.net/gimg/ls1tech.com-vbulletin/1424x1908/park_neutral_safety_switch_wiring_b35fd022869861bf2236e518bd2f15b93ed3f53f.png "[DIAGRAM] Wiring Schematic Gm Neutral Safety Switch Wiring Diagram FULL")
![[DIAGRAM] Chevy Park Neutral Switch Wiring Diagram](http://repairguide.autozone.com/znetrgs/repair_guide_content/en_us/images/0996b43f/80/25/be/05/large/0996b43f8025be05.gif "[DIAGRAM] Chevy Park Neutral Switch Wiring Diagram")
When installing a B&M floor shifter in a 1974 Chevy Nova, identify the neutral safety switch wires on the steering column harness—usually a two-wire connector. Connect the neutral safety wire to prevent engine start in gear. For backup lights, locate the reverse light wire, typically green with a tracer, and connect it to the shifter's backup light circuit. Use a wiring diagram specific to.. 74 nova manual transmission. I believe one is the neutral switch and it's on top of the steering column and has a pink and green wire going to it. The other is on the clutch/brake assembly way up there and has two purple wires. Any idea what these two things are