Welcome to 2CarPros. There are replaceable fusible links in the system. The main link is in a box nest to the battery. That is an 80 amp part. Then in the line to the alternator there is another fuse link that can fail.
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.