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LED Front Turn Signal Hyperflash ONLY when parking lights/headlights on

Discussion in 'Lighting' started by Bauldin, Sep 24, 2019.

  1. Sep 24, 2019 at 2:35 AM
    #1
    Bauldin

    Bauldin [OP] New Member

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    I have been converting all lights to LEDs. Prior to installing LED front turn signals, I converted all the rear lights and my headlights. When I installed the front turn signal LED bulbs it was giving me the hyperflash. I purchased and installed 50W 6Ohms resistors and with my lights set to AUTO everything operated properly. When I got off work that night the hyperflash was back. I found out that when I turn my headlights and running lights off the hyperflash goes away. But as soon as I turn on my running/parking lights the hyperflash comes back. Any ideas?

    Front Turn Signal Bulbs:
    https://www.amazon.com/gp/product/B07H6TM331/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1

    Resistors
    https://www.amazon.com/gp/product/B00FDX6YAE/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1
     
  2. Sep 24, 2019 at 5:30 AM
    #2
    JohnLakeman

    JohnLakeman Burning Internet Daylight

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    If you use 6 ohm resistors, you have to install a resistor in the turn signal circuit at each corner of the vehicle. The better plan is to use 3 ohm resistors at the rear only. I'm not sure how that is changed by headlights and DRLs being on, but the bottom line is hyperflash (a diagnostic saying you have a bulb burned out) is caused by insufficient resistance in the turn signal circuit when incandescent bulbs have been replaced by LEDs.
     
    Bauldin[OP] likes this.
  3. Sep 25, 2019 at 2:51 AM
    #3
    Bauldin

    Bauldin [OP] New Member

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    I replaced the rear turn signals with the original OEM bulbs and the hyperflash went away! Thanks so much for your input, its greatly appreciated! Now to purchase 3 Ohm resistors!
     
  4. Jul 8, 2023 at 7:50 PM
    #4
    badmotofing3r

    badmotofing3r To be so civilized, one must tell civil lies

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    Bringing back the dead with this thread but did the 3 Ohm resistors work? I installed “hyper flash free” LEDs for my rear turn signals and I have hyper flash only when parking lights or headlights are on. Thanks.
     
  5. Aug 8, 2023 at 1:30 PM
    #5
    PickupMan2008

    PickupMan2008 Gladys Knight Industries Two Thousand

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