"Do you think i should just replace the maxi-fuse and call it good"
Yes for now. Then test alternator after charging the battery well.

Engine running. Voltage across battery terminals should be 14 to 14.5 volts.

"Could the maxi-fuse have blown from a sound system in the car?"
Maybe.


"Always do the cheap and easy ones first." 1996 V6 ATX 96K miles