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Home >> Chevrolet >> 1999 >> Corvette 2D Convertible, Automatic >> Repair and Diagnosis >> Electrical >> Charging Systems >> On-Vehicle Testing >> Charge Indicator Light Always On

Charge Indicator Light Always On

  1. Perform charging system check. See CHARGING SYSTEM CHECK  . Go to next step.
  2. Ensure battery is fully charged. Load test battery. If battery is faulty, go to next step. If battery is okay, go to step  4 .
  3. Replace battery. Recheck system. See CHARGING SYSTEM CHECK  .
  4. Start engine. Turn HVAC to lower (floor) position, with fan on high speed. Turn high beam headlights on. Ensure idle is 800-1000 RPM. Check voltage at battery terminals. If voltage is 13.5-15 volts, go to next step. If voltage is not 13.5-15 volts, check generator using CS Electronic Generator Tester (J41450-B). Follow instructions provided with tester. Repair as necessary. Recheck system. See CHARGING SYSTEM CHECK  .
  5. Install scan tool. Check for PCM DTCs. If DTC P0562 and P0563 do not exist, go to next step. If DTC P0562 or P0563 exist, diagnose and repair DTC first. See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
  6. Check instrument cluster voltmeter. If voltmeter reading is normal, go to next step. If voltmeter reading is not normal, go to GAUGE INACCURATE OR INOPERATIVE  .
  7. Replace instrument panel. See ANALOG INSTRUMENT PANELS - CORVETTE article. Recheck system. See CHARGING SYSTEM CHECK  .
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