New front led turn signal lights blink too fast

Asked by ManuelMRH127 Nov 08, 2020 at 06:31 PM about the 2008 Ford F-150 Lariat SuperCrew

Question type: General

I recently installed new switchable turn signals bulb
it had the stock bulbs and I bought led bulbs and
installed them but every time I turn on the turn
signal it blinks too fast and it’s too annoying

1 Answer
74,280

OJ answered 4 years ago

Although the reduced draw of LEDs has advantages, replacement of turn signal bulbs with LEDS will cause what is called hyperflashing. Hyperflashing is when the turn signals blink faster than your stock incandescent bulbs did. This happens because your new LED bulbs draw such little power that your turn signal relay sees the bulbs as being out.

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