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Turn Signal Relay

Lighting

Controls the flashing of the turn signal lights, ensuring proper signaling.

The turn signal relay controls the rate at which the turn signal lights flash, ensuring that the turn signals operate properly and at a consistent rate, alerting other drivers to the vehicle’s intended direction changes.

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Typical part cost
$20–$60🔒
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Typical labor cost
$50–$100🔒
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Typically lasts
100,000–200,000 mi
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Or about
7.0–10.0 years
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DIY difficulty
2/10

⚠️ Owners Often Notice

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

Turn signal lights not flashing
Turn signal lights flashing too fast

Related Services

Services commonly performed on or around this part.

Replace Turn Signal Relay

No standard interval on file

Inspect Turn Signal Relay

No standard interval on file

Test Turn Signal Relay

No standard interval on file