Battery warning light stays on or comes on while driving
Headlights dim, flicker, or get brighter and dimmer
Electrical accessories work poorly or intermittently
Battery keeps dying after being charged or replaced
Engine cranks slowly or has trouble starting
Strange whining or grinding noise from the alternator area
Burning smell from overheated wiring or alternator
Dashboard lights flicker or reset
Power windows, radio, or AC act weak or erratic
Car stalls or dies while driving
Battery voltage is low with the engine running
Alternator belt is loose, worn, or broken
Corrosion or loose connections at the alternator or battery
A mechanic’s test shows the alternator is not charging properly