Battery light stays on?

Is the alternator charging when the engine is running?

This guide can tell us:

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

If not, I would check the fuse # 4 gauges to see if it is good or not. Here is the alternator wiring diagrams so you can see how the system works and the fuse location as well. Check out the images (below). Please let us know what happens.