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Headlight H11 Bulbs

Discussion in 'Prius v Main Forum' started by ednorton, Aug 20, 2024 at 11:39 AM.

  1. ednorton

    ednorton Junior Member

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    Hello, I just seem to be changing my headlight H11 bulbs fairly often through the years, and car doesn't even get used much. I was use to my 2003 corolla rarely needing bulb changes! I see LED bulbs being sold without needing a conversion kit. They call them plug and play. Anyone have experience with these LED's? If so any brands in particular? I'm just thinking that by using LED's, they might last longer than the Halogens. Thx
     
    #1 ednorton, Aug 20, 2024 at 11:39 AM
  2. ednorton

    ednorton Junior Member

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    Update, I determined that this bulb was only changed 1-2 years ago.
     
    #2 ednorton, Aug 20, 2024 at 12:52 PM
  3. rjparker

    rjparker Tu Humilde Sirviente

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    Most H11 bulbs are too cheap these days. My first set lasted seven years then it was another set every year.

    The challenge with LED retrofits is the driver hardware. Some have a separate module which can be reliable. Some have it built in with a high speed fan to dissipate heat. The fans can make a whining noise.

    Another issue is rf interference coming from the switching power supply in the drivers. This can cause communication bus errors elsewhere. I had a set messing up the tpms rf signal.

    Blinding incoming drivers on low can be an issue as well.

    So it’s best not to buy low cost units. I bought the Lasfit $55 units.

    IMG_6030.jpeg IMG_6029.jpeg IMG_6028.jpeg
     
    #3 rjparker, Aug 20, 2024 at 4:42 PM
    Last edited: Aug 20, 2024 at 4:49 PM
  4. ednorton

    ednorton Junior Member

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    Thx RJ for that info! Will this bulb make it harder to change that Pass side position? They look bulkier than the halogens.
     
    #4 ednorton, Aug 21, 2024 at 11:37 AM
  5. rjparker

    rjparker Tu Humilde Sirviente

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    They are about the same. The cable on the passenger side is short and even the H11s are tough. I take the air intake and reservoir hose off and then remove the old with the cable. Install the new without the cable and then click the cable on.
     
    #5 rjparker, Aug 21, 2024 at 12:49 PM
  6. BiomedO1

    BiomedO1 Senior Member

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    Reminder that LED's are polarity sensitive, as opposed to halogens. If one or both don't turn-on, rotate the plug 180 degrees and try again.

    Hope this helps.

    PS my old ones tended to shimmer a bit in DRL, worked fine when dark. I'm guessing it was the lower voltage in DRL mode that caused that.
     
    #6 BiomedO1, Aug 21, 2024 at 3:12 PM
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