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Charge Indicator Light Never On

  1. Perform charging system check. SeeCHARGING SYSTEM CHECK  under TROUBLE SHOOTING. Go to next step.
  2. Using scan tool, check for DTCs. If no DTCs exist, go to next step. If DTCs exist, diagnose and repair DTCs first. See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
  3. Using scan tool, perform indicator bulb check. Follow manufacturer's instructions. If all indicators operate properly, go to next step. If any indicators do not operate properly, diagnose indicator problem. See appropriate wiring diagram in ANALOG INSTRUMENT PANELS - BLAZER, BRAVADA, ENVOY, JIMMY, SONOMA & S10 PICKUP article.
  4. Using DVOM, check voltage at battery stud on generator. If 9-16 volts exists, go to next step. If 9-16 volts does not exist, go to step  6 .
  5. Replace generator. See GENERATOR  under REMOVAL & INSTALLATION. Recheck system.
  6. Repair open in Red wire. Recheck system.
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