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They have little cooling fans in them!! If you want to know how i found out just ask and i'll tell you!!
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Interesting fact about the Bronco Sports LED Headlights if you didn't know already!!
- Thread starter BLUEOVALRACER
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Would love to know how you found out lol
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Why don't you just post how you found out!!
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Seriously Why do they need cooling fans ? Seems like my fans are running constantly. Even when I unlock the BB 1st thing in the morning. I thought LED's gave off less heat ?
Someone posted that the fans will run sometimes when headlights are in direct sun. Though, that is hard to believe but might be true.
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Good question. LEDs are ~4x more efficient than incandescent (incl. halogen) bulbs, so by definition they should produce much less heat.
That said, I've noticed that Edison base (household) LED lamps still get very hot. We have older ones that have heavy metal heat sink at the base! The newer ones do not, but they still get very warm.
Without looking it up, my guess is that LEDs are much more sensitive to heat because of the operating range of the electronics. Even though LEDs run much cooler, it's still enough to fry the components.
Why the fans run when the BS is unlocked in the morning, IDK. That makes no sense -- unless it's some sort of check, to confirm the fans are operational before the driver heads out.
Here’s a good recent article about why LED Headlamps get warm, cooling fans are important to LED Headlamp performance and lifespan
https://www.auxito.com/blogs/news/auto-led-headlight-bulb-heat-dissipation
https://www.auxito.com/blogs/news/auto-led-headlight-bulb-heat-dissipation
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My fans are NOISY and run much more than I think they should.
Obviously, OP heard the fan when the car was off. It's the #1 thing people ask about after "does anyone else have brake noise?".
Be glad the LED produces heat or driving in freezing rain/ice would be no Bueno.
Be glad the LED produces heat or driving in freezing rain/ice would be no Bueno.
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Yes the car was off and the hood was open after i washed it to dry the top of the fenders!!The neighbor guy across the street and my brother were looking at the engine since it's a 3 cylinder!!The neighbor felt the headlight assembly and said it's vibrating!!And with your head by the headlight assembly you could hear the faint sounds of the fans running on both sides!!It did this the entire time the hood was open!!Shut the hood and they quit running a little while after the hood was shut!!My niece googled it on her cell phone and it said they were fan cooled!!
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Keeping moisture out of the LED lamps requires sealing, which makes convection cooling problematic. The solution is cooling fans.
Every time I read one of your posts I always have the same thought; that’d be a great name for a band:
Problematic Convection Cooling
sorry, I’ll leave now
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