Potential Cause Symptoms/Indicators Diagnostic Action Faulty Alternator Dim or flickering lights, electrical issues Test alternator output with multimeter Battery Issues (Age or Damage) Slow engine crank, swollen battery case Conduct a battery test Loose or Corroded Battery Connections Intermittent power loss, starting problems Inspect and clean battery terminals Belt Problems (Slippage or Breakage) Squealing noise … Continue reading Chevy Equinox Battery Light On: Why and What to Do