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  1. #1
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    How to convert 02-03 headlights to 04-05

    There are MANY threads floating around about this topic, however all of the images of the install and/or the wiring diagrams are broken. Does anyone have the wiring diagram needed for the conversion? I plan to create a new DIY for this project when I do it - any help is really appreciated.

    Thanks

  2. #2
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    Bump need this info too

  3. #3
    GDM Lights Installed Draw7Seven's Avatar
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    -Matt-
    2005 MR RSX-S
    Quote Originally Posted by hyu View Post
    If I wanted power I would have kept my neon

  4. #4
    GDM Lights Installed Draw7Seven's Avatar
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    Sorry I missed the OP but hopefully this helps 03ssm
    -Matt-
    2005 MR RSX-S
    Quote Originally Posted by hyu View Post
    If I wanted power I would have kept my neon

  5. #5
    Registered User rhino's Avatar
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    Thanks for this info, I'm about ready to do this tonight. Let's hope this doesn't take too much effort.

    Now to aiming the depos...
    Last edited by rhino; 09-09-2013 at 07:57 PM.

  6. #6
    Registered User jerrymouas's Avatar
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    have anybody modified their wiring harness from moonsi headlight kit with the 1n4001 diode to run hi/lo beam? I love to have them both working but scare i will mess something up.

  7. #7
    Registered User Ubeyo's Avatar
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    do you need to get the wire harness if your running HID's? or do you just plug them right in?

  8. #8
    GDM Lights Installed Draw7Seven's Avatar
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    That's going to depend on a lot of factors and I'd need more information about what you're planning and how you're doing it to answer.

    The short answer is no you can't just "plug them in." Plug and play kits as advertised tend to be the least expensive and least helpful route, you'll often end up blinding other drivers or getting tickets for poorly aimed HID's just because you wanted to look like the guys from fast and furious.

    The correct way to do HID's is to retrofit projectors that are made to focus the light from the HID bulb to the ground in a proper fashion with a real cutoff. This is not a 70 dollar endeavor.

    The plug and play route that's offered by many online retailers still requires a wiring harness of some sort. In many cases you'll need a relay to switch the ballasts on and off using the stock light switch, and the rest of the harness pulls power for the ballasts from the battery on a fused connection to prevent surges killing the ballast. There are maps of this setup somewhere around here, but I'm currently at work.
    -Matt-
    2005 MR RSX-S
    Quote Originally Posted by hyu View Post
    If I wanted power I would have kept my neon

  9. #9
    Registered User Ubeyo's Avatar
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    icic but if they fit perfectly on my 03 headlights it still wont be good to go on 04-05's?

  10. #10
    GDM Lights Installed Draw7Seven's Avatar
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    They use different bulbs and setups. The 04/05 housing uses two bulbs separately for high and low beams, while the 02/03 use a single bulb for both high and low. So essentially, no.
    -Matt-
    2005 MR RSX-S
    Quote Originally Posted by hyu View Post
    If I wanted power I would have kept my neon

  11. #11
    Registered User Ubeyo's Avatar
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    icic well hmm maybe ill just get another set of 02-03's and paint them pink lmfao
    Last edited by Canuck Civic; 05-08-2009 at 06:23 PM.

  12. #12
    Registered User rhino's Avatar
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    One more question for the wiring gurus:

    On a conversion from 04/05 to 02/03 what wire actually runs the hi/low beams? My dilemma is that I have low beams but no hi beams. When I flip "intermittent" hi beams on, it just turns on my low beams. Any advice or guidance would be greatly appreciated.

  13. #13
    GDM Lights Installed Draw7Seven's Avatar
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    On the 02/03, the power is shared by the lights and the ground is split, so that when you ground the low beam it comes on (see the graphic above that distinguishes "low ground" and "high ground" vs the "12v" that they both get). I'm not sure what kind of setup you're using but knowing that might help you track down the issue.
    -Matt-
    2005 MR RSX-S
    Quote Originally Posted by hyu View Post
    If I wanted power I would have kept my neon

  14. #14
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    Hi, I would like to do this, convert my 02 lights to 04-05. Could anyone provide me info on where to get the necessary adapters?

  15. #15
    4 TDs in Single Game usedep3's Avatar
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    Quote Originally Posted by Crazeelegs View Post
    Hi, I would like to do this, convert my 02 lights to 04-05. Could anyone provide me info on where to get the necessary adapters?
    http://www.ephatch.com/forum/showthread.php?44222
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