1. Attachments are working again! Check out this thread for more details and to report any other bugs.

2nd gen headlight upgrade in 2024

Discussion in 'Gen 2 Prius Main Forum' started by lex, Aug 16, 2024.

  1. Tombukt2

    Tombukt2 Senior Member

    Joined:
    Nov 29, 2020
    9,759
    1,706
    0
    Location:
    Durham NC
    Vehicle:
    2009 Prius
    Model:
    Base
    Their H4 bulbs If you have fog lights that take H4 lamps you've got something going on some old Cibe or hella of many years ago. So there's always that most fog lights don't take anything near an H4 they don't have high beams generally fog lights etc so I think just the wording is wrong in the ad which I could care less about these are H4 bulbs they call them fog lights I don't care if they called them poop lights makes no difference that's the Chinese for you that's how they do things they're not fog lights there H4 bezel lamps made to go in H4 housings which generally aren't fog lights but okay this is what I have in three of my generation twos the other one is HID with the D4S to LED conversions plugged in with nothing else done oh well I don't know what to tell you those are quite bright and if you crank your adjusters down and get your cut off on the wall set right You should be in good shape if your lenses aren't completely fogged they work very well I'm quite happy without having to oven bake everything apart install merimoto mini projectors and all that nonsense but hey.
     
  2. lex

    lex 2005 Prius, always garaged

    Joined:
    Sep 28, 2007
    114
    16
    6
    Location:
    Fresno
    Vehicle:
    2005 Prius
    Model:
    N/A
    Installed new LEDs – without removing any panels – and, though difficult and requiring much dexterity and some time, managed to do it. However, the beam pattern appears odd – slanting from top right to bottom left.
     
    #42 lex, Sep 4, 2024 at 4:05 AM
    Last edited: Sep 4, 2024 at 10:09 AM
  3. dolj

    dolj Senior Member

    Joined:
    May 14, 2012
    7,764
    3,932
    0
    Location:
    Wellington, New Zealand
    Vehicle:
    2007 Prius
    Model:
    N/A
    Maybe the bulb is not seated correctly. Off-axis maybe?
     
    Brian1954 likes this.
  4. Tombukt2

    Tombukt2 Senior Member

    Joined:
    Nov 29, 2020
    9,759
    1,706
    0
    Location:
    Durham NC
    Vehicle:
    2009 Prius
    Model:
    Base
    Receipt your bulb in the wire clips make sure it's in their proper it's H4 tab goes up to the top and the other two at what four and 5:00 or something like that and then after you get all that done you need to crank down righty tighty on your adjuster about eight half turns That's what you do with the screwdriver when you turn it once you make a half turn because that's what your hand does then you'll see the cutoff line magically appear on your garage wall now you set that line at whatever height you've been reading about sheets running done.
     
  5. lex

    lex 2005 Prius, always garaged

    Joined:
    Sep 28, 2007
    114
    16
    6
    Location:
    Fresno
    Vehicle:
    2005 Prius
    Model:
    N/A
    The tab position seems correct – two at bottom and one at top I believe. It was the only way the bulbs fit in. Here's the beam pattern below. Another Prius group on Facebook suggested they're designed this way to mitigate the beams shining into drivers on the opposite side.

    I can adjust the passenger side height fine, but how to get to the driver's side adjuster? It's blocked by a top cover piece and seems necessary to remove. Those plastic screw fasteners are damaged easily.

    Noticing the high beams aren't substantially brighter but, otherwise, the overall light appears improved. Of course the light's color temp is modern.

    458086886_10161569726627232_4935235006418777759_n.jpg 458467469_10161569726472232_4876125029130212188_n.jpg 458491911_10161569726747232_3489089117178279499_n.jpg
     
    #45 lex, Sep 4, 2024 at 9:48 AM
    Last edited: Sep 4, 2024 at 3:16 PM
  6. lex

    lex 2005 Prius, always garaged

    Joined:
    Sep 28, 2007
    114
    16
    6
    Location:
    Fresno
    Vehicle:
    2005 Prius
    Model:
    N/A
    And, interestingly, bizarrely, the car just sounded an alarm - for the first time ever. We don't have an added alarm package that I'm at all aware of (after 19 years). Driver parked in garage, came inside house, then suddenly – blaring honking, a siren, and all lights flashing. Again, this is a first. And the only thing that's changed is the bulbs. Possibly related. Or what could have started this? Thoughts please...
     
  7. pasadena_commut

    pasadena_commut Senior Member

    Joined:
    May 2, 2019
    1,576
    472
    0
    Location:
    Southern California
    Vehicle:
    2007 Prius
    Model:
    N/A
    Regarding the alarm.

    There is a built in alarm, but it isn't normally enabled. It can be configured with Techstream. To see if that is enabled, roll down the passenger side window, park the car, close all the doors, lock it. Wait several minutes (I don't recall how long it takes to arm, 5 minutes maybe?), then reach in and open the door. If it goes off, then the alarm is enabled. Turn it off with key fob, I think lock and then unlock the door, maybe the other way around.

    There is some talk of a hood tamper sensor in one of the manuals, but I could never trigger it in my car. Possibly your car has a working one and it broke or unplugged, and now your car thinks the hood is open so sets off the alarm when it arms? It should be wired to at/near the hood latch release. A flaky sensor switch on any of the doors and maybe the hatch would also set off the alarm. I think it would have to short a wire to ground when it wasn't supposed to to trigger the alarm. That doesn't sound like a very common form of failure.
     
    lex likes this.