2000 GMC C3500 Alternator

You should install the Starter mounting bolts and washers, through the starter to the engine, install the wiring harness and the battery positive cable to the starter, install the snap-on starter shield as necessary, remove the stands and lower the vehicle, and connect the battery negative cable.

You should record all preset and theft codes from the radio, turn the ignition switch to the LOCK position, verify that all the electrical components are off such as interior lights, all doors are closed, the underhood lamp, etc, remove the retaining bolt from the battery negative cable, remove the battery negative cable from the battery, position the battery negative cable away from anybody ground and remove the auxiliary battery negative cable if equipped, with 2 batteries.