charging gauges goes all way down then engine shuts down while driving?

This happens when the alternator stops working, but to be sure you can jump start the car and test the alternator by using this guide:

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

Here is a video that will help you jump start the battery:

https://youtu.be/a9Ycibu9cwY

This guide can help walk you through the steps of the alternator replaced with instructions in the diagrams below to help you with your car:

https://www.2carpros.com/articles/how-to-replace-an-alternator

Check out the images (below). Please let us know what happens.

It starts again after about 15 minutes and then runs okay.

When it is running does the alternator check out okay? The battery can sit and regain surface voltage but then it drains quickly. Let me know please.