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Solution: Fix hyper blink after doing Fog Light Mod

Discussion in '1st Gen. Tacomas (1995-2004)' started by RushTacoma, May 1, 2010.

  1. May 1, 2010 at 9:04 AM
    #1
    RushTacoma

    RushTacoma [OP] Toyota Member

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    To fix the hyper blink after doing the Fog Light Mod you can buy a LED resistor for $10 or you can just up your bulb size to 921 instead of 168. I just went and bought the 921 bulbs for my 03 tacoma to kill the hyper blink thanks to SRQ Taco for the advice and it worked! No more hyper blink and the bulbs cost $4.99 at autozone.
     
  2. May 1, 2010 at 9:17 AM
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    747

    747 function > form

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    So the 921's are direct replacements (i.e., fit w/o modification) into the corner lamp bulb sockets?
     
  3. May 1, 2010 at 10:11 AM
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    SRQ TACO

    SRQ TACO "You've Got Red on You"

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    No problem I'm glad I could help :D

    Correct good sir!


    And to also put the 921's are way brighter than the stock 168's.
     
  4. May 1, 2010 at 10:21 AM
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    RushTacoma

    RushTacoma [OP] Toyota Member

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    Yes! 921 bulbs are direct replacement! No modification need just plug them in and your good. There bigger bulbs than the stock 168 and so they are much brighter but like i said NO MODIFICATION needed and it fixes the hyper blink!
     
  5. May 1, 2010 at 2:09 PM
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    747

    747 function > form

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    Amber 921s added...sweetness! Now oncoming vehicles can actually tell when my blinker is on.
     
  6. Oct 14, 2010 at 3:08 AM
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    Fuzzyman81

    Fuzzyman81 The New Guy

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    Awesome guys thanks for the info - I am doing this mod this weekend -

    What bulbs did you all actually use for the "fog" lights? Stock or something different?
     
  7. Oct 14, 2010 at 6:23 AM
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    fireman_343

    fireman_343 Ultimate TRD

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    Good call!! I'll be doing this mod soon!!
     
  8. Oct 14, 2010 at 9:33 PM
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    Digiratus

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    For what its worth, my experience was different. I did this mod to turn my corner marker lights into turn signals. Swapped the green wires and of course had the hyper blink in the turn signals afterwards. Put in the 921NA bulbs, however, it did not slow down the hyper blink.

    Yes, 921s are higher wattage, yes they are brighter than 168s or 194s. Unfortunately, on my truck I had to add the load balancer/resistors to slow the hyper blink to a normal speed.

    It is not clear why this seems to work on some and not on mine. :confused:
     
  9. Oct 14, 2010 at 9:45 PM
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    bfogelma

    bfogelma Well-Known Member

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    i recently did this mod and now i have the running lights down low but the corner lights are not functioning as blinkers, anyone have any suggestions?
     
  10. Oct 15, 2010 at 12:26 PM
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    bfogelma

    bfogelma Well-Known Member

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    update: put the bigger bulbs in and pretty much fixed the problem, they not only light up properly but also dont have the hyperblink!

    by the looks of it i fried the smaller little bulbs in there... for future reference those doing this to an older truck like mine you should probably just invest in new bigger bulbs off the bat.
     
  11. Oct 18, 2010 at 6:57 PM
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    rrosebr

    rrosebr Active Member

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    But wouldn't you still need to change out the socket to a dual filament socket so that the light would function as the blinker and parking lights.
     
  12. Nov 12, 2011 at 6:03 PM
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    oneBIGroom

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    x2 Need to know
     
  13. Nov 12, 2011 at 6:25 PM
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    Norton

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    If you haven't already done so, check out Beau02's excellent write-up. A materials/parts list is located on page 6.

    FWIW, I used a pair of clear 4157 Siverstar bulbs as "fogs". (If anybody knows of brighter options, without requiring additional modification/rewiring, let me know...)
     
  14. Nov 12, 2011 at 10:39 PM
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    03taco

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    if i remember correctly arent the 921s the same as the bulbs in the dash? if so i could use the ones i have from my dash in the corners?

    i did the dash led mod so i have the orig. dash bulbs laying around
     
  15. Oct 17, 2012 at 7:54 AM
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    TIPICOTACO

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    the 921s don't work on my rig either... what size load resistor did you use? and it just goes in-line to the (+) of the "new" blinkers ?? thanks
     
  16. Oct 17, 2012 at 10:51 AM
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    Digiratus

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    One end of the load resistor connect to the power wire, the other end connects to the ground wire. This adds resistance to the circuit and makes the ECU think a higher wattage bulb is being used and stops the hyperblink.

    It's been a while but IIRC, I used a 6 ohm resistor.

    http://www.superbrightleds.com/pdfs/load_resistor_info.pdf
     
  17. Oct 17, 2012 at 4:43 PM
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    TIPICOTACO

    TIPICOTACO Well-Known Member

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    ^ ah ha Thank you!

    FINALLY got around to adding the 6 ohm resistors... hyper blink solved. :D

    thank you for the advice!!!
     
    Last edited: Apr 9, 2013
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