H4 globe; which way is up?

Discussion in 'Australian Motorcycles' started by Knobdoodle, May 3, 2006.

  1. Knobdoodle

    Knobdoodle Guest

    Folks,
    does an H4 globe go in with it's pins this way Y (with the little dish over
    the filament up-side down)
    or the other way around?
    Thanks ...
     
    Knobdoodle, May 3, 2006
    #1
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  2. Knobdoodle

    Mad-Biker Guest

    Would it really matter?

    But my bike has them so the 2 bits are at the top, with 1 at the bottom

    Mad
     
    Mad-Biker, May 3, 2006
    #2
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  3. Knobdoodle

    Knobdoodle Guest

    Only if you want the low-beam to be lower than the high beam....
    ~
    Thankum!
     
    Knobdoodle, May 3, 2006
    #3
  4. Knobdoodle

    Knobdoodle Guest

    Now I'm worried; I just checked gNatalie's car and it's got the 2 at the
    bottom.....
     
    Knobdoodle, May 3, 2006
    #4
  5. Knobdoodle

    sharkey Guest

    I'm not going out to look now, it's too bloody dark.

    -----sharks
     
    sharkey, May 3, 2006
    #5
  6. Knobdoodle

    sharkey Guest

    This here Honda book has a piccy of an H4 bulb with lugs at 12, 5, 7
    o'clock, and the three pins on the back like an upside-down U. I'd have
    a look at my bike but I can't be arsed. Suck-o.

    -----sharks
     
    sharkey, May 3, 2006
    #6
  7. Knobdoodle

    Knobdoodle Guest

    Thanks Sharks; that's two votes to one so the upside-down Y has it!
    (grabs glue-gun and puts on blue-and-white-striped apron)
     
    Knobdoodle, May 3, 2006
    #7
  8. Knobdoodle

    Boxer Guest

    My bmw's have the open section to the bottom.

    Boxer
     
    Boxer, May 3, 2006
    #8
  9. Knobdoodle

    sharkey Guest

    Yep, just checked. If this is an, ah, spontaneous OEM -> H4 conversion,
    the filament distance may be all wrong for the reflector though, but
    there's not much you can do about that other than replacing the whole
    damned headlight, unless you get into one of those Japanese HID
    conversion kits :).

    -----sharks
     
    sharkey, May 3, 2006
    #9
  10. It goes in thus.....


    ---

    | |
    | |



    So the little dish goes UNDER the filament. What it does, is block the
    bits of light that come out and reflect off the reflector to point up
    (ie, so you get low beam).
     
    James Mayfield, May 3, 2006
    #10
  11. Knobdoodle

    Mad-Biker Guest

    Mad-Biker, May 3, 2006
    #11
  12. Knobdoodle

    GB Guest

    My car's gottum at the bottum just like gNatalies top, er, car.

    (IIRC, my bike takes a Yamaha variant of an H4 that has an
    extra little tag to make it into a Yamahasomethingorother.
    Bend the tag off an H4, put the two at the bottum, and it
    becomes a Yamahawahssnam)

    GB
     
    GB, May 3, 2006
    #12
  13. Knobdoodle

    Knobdoodle Guest

    Knobdoodle, May 3, 2006
    #13
  14. Knobdoodle

    Knobdoodle Guest

    Yep.
    Thanks all.
    I just realise that when I said "pins" that some people took it as the
    electrical-contact pins instead of the locating pins.

    Fortunately they're both kinda the same way up ...

    --
    Clem
    "sometimes to fueling is 3 rd gear feels a strange - like its not getting
    enuff ful/splutterly" -- Corks.


    in message
     
    Knobdoodle, May 3, 2006
    #14
  15. Knobdoodle

    GB Guest

    Fark, I thought you were talkin' about the bits what
    where the wires go.

    NFI where the wires go, but the lugs go what where
    sharks said they did.

    GB, I'd go and have a look at me bike 'n' me car for ya,
    but I've been into the turps a bit already, and it's
    dark, and...
     
    GB, May 3, 2006
    #15
  16. Knobdoodle

    Knobdoodle Guest

    Yeah but I'm less butcherous than the previous owner (of the
    gNatalie-mobile).
    He just plugged an H4 bulb into the wiring and then poked it into the hole
    in the reflector and screwed it closed.
    It was sitting at a 30° angle and only held in by the wiring harness
    behind!
    A proper, complete H4 headlight was $55 for rusty-wreckers or $99 (plus $5
    postage) for new.
     
    Knobdoodle, May 3, 2006
    #16
  17. Knobdoodle

    GB Guest

    GB, May 3, 2006
    #17
  18. Don't bother. I had me sunnies on and still can't see anything but spots!
     
    Pisshead Pete, May 3, 2006
    #18
  19. Knobdoodle

    smack Guest

    smack, May 3, 2006
    #19
  20. Knobdoodle

    smack Guest

    the glass bit goes inside the headlight
     
    smack, May 3, 2006
    #20
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