One problem related to alternator/generator/regulator has been reported for the 2000 Chevrolet S10. The most recently reported issues are listed below.
Alternator failed without warning while driving on a local highway at 45 mph. Vehicle remained operational without any lights, signals, gauges or speedometer until I came to a complete stop at a traffic signal where the engine misfired and died even while revving. Vehicle was left stranded at a 6 lane intersection without any hazard warning lights, indicators or other lights to warn oncoming vehicles that I was not moving resulting in may near incidents.