Electrical System Flunked

Good advice!!!

By the fire wall grommet we see a fusible link.
upload_2020-10-4_23-19-50.png

If its connected to the wire going through the grommet, then this car may have one of the heavy duty wiring options.
So take a closer look at that grommet wires and that link. Tell us what you see, take a pic, or both.