They are not that dependent, but they are related so we need to start with checking the voltage at the starter and find out what is there when you are turning the key.
https://www.2carpros.com/articles/how-to-check-wiring
Basically, you should have 12 volts on both wires at the starter, so we need to see what is there.
https://www.2carpros.com/articles/starter-not-working-repair
If you don't have 12 volts on the purple wire, then more than likely you have a park neutral switch issue or something with the ignition switch.
However, I suspect the park neutral switch is the issue as these commonly fail.
I attached the wiring diagram below.
Please run through this and let us know what you find. Thanks
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Saturday, December 11th, 2021 AT 6:33 PM