Transmission problems

It sounds like you have a bad transmission gear range selector switch that is bad and needs to be replaced, here is a a diagrams (below) that will help you get the job done.

They call it a neutral safety switch but it does a lot more than telling when the transmission is in neutral.

To be sure though we can do some wiring tests. Here is a guide and wiring diagrams to help.

Please check the fuses as well.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

and

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Please let us know what you find.

Cheers, Ken