. Dim o r Flickering Headlights and Dashboard Lights

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. Dim o r Flickering Headlights and Dashboard Lights

A common complaint is that headlights, interior lights, and dashboard indicators flicker o r become dim when the engine is running at low RPM o r when electrical load increases. This typically points to a failing alternator o r loose alternator connections. What are the likely causes of these symptoms in a Hyundai Santro, and how should they be addressed?

Talha Kyanii asked on 04 Dec 2025 14:36:15 pm

1 Answer

10 views |

Gari Master - on 04 Dec 2025 14:37:31 pm

Possible Causes:

Alternator not producing consistent voltage

Loose o r corroded wiring connections

Worn alternator brushes

Weak battery worsening under load

Slipping o r glazed alternator belt

Solutions:

Check alternator output with a multimeter.

Inspect and tighten all wiring connections to alternator and battery.

Replace alternator brushes if worn.

Replace alternator belt if glazed o r slipping.

Test battery condition replace if unable to hold charge.