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Thread: Sealed or Semi Sealed Lights?

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    Expert Majestic's Avatar
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    Sealed or Semi Sealed Lights?

    Hey guys,

    I am looking at replacing my lights, the passengers side one has moisture damage in it. Clearly water has gotten in there at some point and corroded the reflective film.

    Now I have been looking around and clearly sealed would be a better choice for a 4WD, my only issue with that is the globes. I don't want to have to replace the whole headlight each time a globe dies, plus if I am on the road and need to replace it I am in a bit of trouble, it's not like I can go to a servo and buy a new H4 globe to put in them.

    Does anyone have any recommendations? Any alternatives? Any DIY mods to semi-sealed to make them more waterproof?

    Advice would be very much appreciated.

    Thanks.

    Owner of 1984 SD33T MK Patrol
    Owner of 1989 TD42 GQ Patrol
    Previous Owner of a 1988 TB42 DA Maverick
    ------------------------------------------------------
    WARNING: Towballs used for recoveries can, and do kill people and damage property.

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    Patrol God threedogs's Avatar
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    If you like the output of sealed beams and do plenty
    of water crossings or bog holes its a no brainer.
    Those prism style sealed beams may suit your needs
    as well
    04 ST 3lt auto, not enough Mods to keep me happy, but getting there

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    Majestic (23rd August 2015)

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    Patrol God taslucas's Avatar
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    I thought I'd upgrade the lights in my gq so i had more than 4 candle power and I didnt want to go down the HID path. I didnt look too hard but the only sealed ones i could find were basically the same brightness as stock factory and i really wanted something brighter so i went for semi sealed with nice bright globes.... First trip out and i had muddy water in one. They leak like a sieve and once the reflector was dulled by dirt plus the condensation on the inside blocking the light, then my new brighter globes were hardly any better than the old dull ones.
    As i dont drive much on highways or on open flats i dont think ill ever go for a HID conversion but instead opt for a led light bar in the future.
    Hello from Under Down Under!

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    Majestic (23rd August 2015)

  6. #4
    Expert Majestic's Avatar
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    Quote Originally Posted by threedogs View Post
    If you like the output of sealed beams and do plenty
    of water crossings or bog holes its a no brainer.
    Those prism style sealed beams may suit your needs
    as well
    Quote Originally Posted by taslucas View Post
    I thought I'd upgrade the lights in my gq so i had more than 4 candle power and I didnt want to go down the HID path. I didnt look too hard but the only sealed ones i could find were basically the same brightness as stock factory and i really wanted something brighter so i went for semi sealed with nice bright globes.... First trip out and i had muddy water in one. They leak like a sieve and once the reflector was dulled by dirt plus the condensation on the inside blocking the light, then my new brighter globes were hardly any better than the old dull ones.
    As i dont drive much on highways or on open flats i dont think ill ever go for a HID conversion but instead opt for a led light bar in the future.
    Thanks guys.

    I had a chat with the brother yesterday and decided to go sealed beam. He found some on ebay with gas filled globes 100/75W @4000K. Might go with them and I decided with the globe issue, keeping one of my older headlights +globe in the back in case one does blow all I need to do is replace it and it would get me out of trouble for the short-term.

    I'd hate to have happen what happened to you Lucas, it's a shame no one has come up with with a sealed beam headlight that can be watertight and with a replaceable H4 globe.

    I'd highly recommend a LED lightbar for highway/country driving, they make a huge difference. I used to live out in the country and traveling to and front the city on those country roads at night was dangerous, the lightbar helped to make it a lot saver. I went with the 30/45/60 combo and I am extremely happy with it. I don't use it as much anymore due to living in the city but better to have one and not need it, than need it and not have one.

    Owner of 1984 SD33T MK Patrol
    Owner of 1989 TD42 GQ Patrol
    Previous Owner of a 1988 TB42 DA Maverick
    ------------------------------------------------------
    WARNING: Towballs used for recoveries can, and do kill people and damage property.

  7. The Following 3 Users Say Thank You to Majestic For This Useful Post:

    Hakan the Swede (8th July 2016), taslucas (23rd August 2015), threedogs (23rd August 2015)

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    Patrol Freak liftlid's Avatar
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    I just run semi sealed and expect to replace the lenses at regular intervals, especially after a night run.

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    AB (24th August 2015)

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    Administrator AB's Avatar
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    I've had a bad run with both and even sealed beams get water inside and condensation builds up and never gets out.

    I got a new set off Patrolapart and they drilled small hole on the bottom of lense and it works a treat.

    Condensation disappears after a few days too.

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    The master farter mudski's Avatar
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    Quote Originally Posted by AB View Post
    I've had a bad run with both and even sealed beams get water inside and condensation builds up and never gets out.

    I got a new set off Patrolapart and they drilled small hole on the bottom of lense and it works a treat.

    Condensation disappears after a few days too.
    Your sealed beams arent sealed beams then. Lol

    Sent from my SM-P600 using Tapatalk

  12. #8
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    I got a set of semi sealed, run a bead of silicone around a few spots, will see how they go through water, hopefully stay dry!

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    BiPolar Fool BSRT.Beast's Avatar
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    I got semi sealed with a new loom and 110w low beam.

    gets hot enough to dry any water out

  14. #10
    Patrol God taslucas's Avatar
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    Quote Originally Posted by BSRT.Beast View Post
    I got semi sealed with a new loom and 110w low beam.

    gets hot enough to dry any water out
    Which means the globe will probably crack if water touches it when it's hot.

    tappa lives!
    Hello from Under Down Under!

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