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Headlight Relay

Critical For Operation

Lighting

Controls the power supply to the headlights.

The headlight relay regulates the flow of electricity to the headlights, ensuring they turn on and off properly based on the driver’s input or vehicle conditions.

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Typical part cost
$20–$60🔒
🔧
Typical labor cost
$50–$150🔒
🛣️
Typically lasts
80,000–150,000 mi
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Or about
5.0–10.0 years
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DIY difficulty
3/10

⚠️ Owners Often Notice

If the Headlight Relay is starting to fail, these are the signs owners most commonly report before it gets worse:

Headlights not turning on
Headlights flickering
Headlights stuck on
Electrical issues

Related Services

Services commonly performed on or around this part.

Replace Headlight Relay

No standard interval on file

Inspect Headlight Relay

No standard interval on file

Test Headlight Relay

No standard interval on file