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Check the signal relays and fuses under the hood.

Because of the battery is not sufficient to light up the signal light.

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Q: Why doesn't your turn signal flash or light up?
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Why does your turn light go on when you brake. doesnt flash stays constant?

You might try to see if your bright (brake or turn) part of your tail light is burnt out. This is probably the case if when you turn your turn signal on in one direction, it flashes alot faster than normal.


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