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Moisture in LED lights

Discussion in 'Lighting' started by HawkShot99, Jan 4, 2017.

  1. Jan 4, 2017 at 10:39 AM
    #1
    HawkShot99

    HawkShot99 [OP] Well-Known Member

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    I have a set of 7" led lights mounted behind my grill. They light up the night amazing! However when I was wiping winter road grime off them the other day, I knoticed moisture inside the lens of one of the lights. It still shines great and throws the light, but I'd prefer to fix it.
    I have searched and read many mentions of waterproofing light bars and such, but can't actually find out how to do it. What am I sealing the lights with? I assume I need to remove the lens and put some sealant as a gasket.
    2016-05-27_22.42.01_zpswjr135dy_210563ddd42095c1484bcd2b8b351b6a2624e870.jpg
     
  2. Jan 4, 2017 at 11:23 AM
    #2
    ZachPrerunner

    ZachPrerunner Sometimes she goes, sometimes it doesn’t

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    Silicone II is what I used to seal my headlights up the first time... and it was a PITA. I recommend grabbing an auto sealant that is marketed for auto lamp use. Any local hardware store such as Home Depo or Lowes will have it in the bathroom/caulking aisle. You'll have to reheat the light in the oven and reapply the sealant by hand. (Squeeze bottle is what you're looking for btw) If you buy a new light, then just apply a bead around the edge of the lens where it meets the plastic. Hope this helps!
     
  3. Jan 4, 2017 at 7:29 PM
    #3
    NightProwler

    NightProwler Well-Known Member

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    It all depends where it's leaking from and where it's sealed on those lights. They shouldn't need to be heated in an oven. That's for headlights. Those off-road lights should just disassemble in the front. There's Probly sealant under the cap. Disassemble the cap and inspect. You could then just use regular silicone, or even butyl, squeeze it on, then assemble the cap back on. But it could also be from where the wires go in. Or elsewhere. Most likely the cap though. You might even be able to just put a bead around the edge of the cap too. But sounds like itd be better to remove the cap, inspect, let it dry, and reseal it properly. Be sure to remove any old gunk first.
     
    HawkShot99[OP] likes this.
  4. Jan 5, 2017 at 7:14 AM
    #4
    HawkShot99

    HawkShot99 [OP] Well-Known Member

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    13' Silver DCLB TRD Sport - Sold
    These are the lights I have.
    http://www.ebay.com/itm/302019831929

    I have been very happy with them and don't knoticed the moisture while using them, but it can't be good so I want to remove it.

    I will remove the lights from the truck and see how they come apart.
    Any brand of sealant better than others?
     
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    #4
  5. Jan 5, 2017 at 2:29 PM
    #5
    NightProwler

    NightProwler Well-Known Member

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    Nope just a small tube of regular silicone. You won't need much. And those lights look easy to disassemble. 6 bolts. Just a small bead around and call it good I'd say. Hopefully it's that and not where the wire goes in. You could put some around that nut if u want. Couldn't hurt.
     
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    #5

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