On the 5.3L remove the two bolts located on the bottom of the alternator and remove the electrical connections, reverse this to attach new alternator. 2000 Chevy Silverado LT Ext Cab 4 dr 5.3L 4x4 Z71 who needs an alternator.
There should be a fusible link on the lead to the starter and possibly one coming from the alternator, if you think you've burned a fusible link you've most likely actually blown the main 150 (?) amp maxi-fuse under the battery tray though.
The fuse between the battery and alternator is a fusible link in the small wire that hooks up to the battery terminal along with the regular battery cable. It looks like a thick spot in the wiring. To replace, the cable must be replaced. .