Did you adjust the switch?
Also, sounds like you have many electrical issues and not a lot of experience with electrical? Every thing needs power and ground. It’s that simple. A test light and understanding how stuff works is needed. The simple answer is we cannot see what you have done or have not done on your car thru a simple post like this.
Also an electrical schematic for you car. Part swapping is not good as it causes more issues. These cars are 50 years old.
Syleng1