Hey everyone.... I'm trying to wire up a neutral safety switch in my 73 scamp... And I can't figure it out... It's a 727 transmission and all I want is neutral safety no backup lights or anything. I was told the center prong on the switch on the tranny is neutral safety... So where do I need to run that wire?

 

The key to this is the Mopar start relay. You need a 4 terminal one similar to this:



You should in fact already have one unless it was removed. The two smaller "push on" connectors are the relay coil. One connects to the yellow start signal coming from the ignition switch, and the remaining one goes down to the center pin of your NSS. This provides a ground in park/ neutral