lemon-mirror:
Home >> GMC >> 1999 >> Envoy >> Repair and Diagnosis >> Electrical >> Charging Systems >> Trouble Shooting >> Charging System Check

Charging System Check

  1. Turn ignition on. Charge indicator should stay on and voltmeter should read 12-14 volts. If charge indicator does not illuminate, go to CHARGE INDICATOR LIGHT NEVER ON  under ON-VEHICLE TESTING. If voltmeter does not read 12-14 volts, go to VOLTMETER DISPLAYING HIGH OR LOW  under ON-VEHICLE TESTING.
  2. Start engine. If charging system and indicator light are operating properly, go to next step. If charge indicator stays on, go to CHARGE INDICATOR LIGHT ALWAYS ON  under ON-VEHICLE TESTING. If charge indicator stays on and voltmeter does not read 13-16 volts, bench test generator. See BENCH TESTING  .
  3. Turn on headlights, rear defogger and blower motor. If charging system and indicator light are operating properly, check is complete. If charge indicator illuminates and voltmeter does not read 13-16 volts, bench test generator. See BENCH TESTING  .