@blackjack46479 make sure that you have good ground. Older vehicles are really bad for ground connections. After that, you want to check your starter. I would suggest you try to hotwire your starter and see if it is even working. All you need is to jump the positive connector on your starter with the cable coming from your starting circuit. So, pull that cable connector, use a relatively thick wire and place it where that cable connected and then the other end to positive. That should get your starter to kick in and over :-) Use something like [https://www.youtube.com/watch?v=DFPNXq69y6A|this video] to see what I am referring too. You can do those things with your starter in place. Make sure that your car is in neutral. I'd hate to find out you ran yourself over while testing this.
Now, with that said, you have to make sure that you check your neutral switch. If that has failed your starter "thinks" your vehicle is in gear and will refuse to start.