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Interesting led headlight situation

1300c

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1300c Enthusiast

1300c

Posted
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Do even the base or work truck trim level trucks get these new LED lights or only the LT or LTZ trim levels?

I believe they come on the ltz, slt, high country, and Denali only. Work trucks up to lt get a d5s xenon hid projector running back 25w ballast.

hirdlej Enthusiast

hirdlej

Posted
Posted

How do the Work Truck trim level headlights then compare to the '14 and '15 Silverado's? I am happy with the stockers in my '15. I never did like the look of a conventional halogen bulb in a projector housing. That's just me though. I was nervous about light output on the 16's so I bought a '15 Silverado instead for that very reason.

Colossus Senior Enthusiast

Colossus

Posted
Posted

The LEDs are whiter - closer to noon sunlight - as measured in degrees Kelvin. I would guess somewhere like 4000*K but possibly inching toward 5000*K.

 

The rods and cones in the human eye actually see better in that wavelength, opposed to nearer the yellower end of the spectrum. (2500-3000*K). The CRI, color rendering index, is very high for most LED meaning what you see is also more accurately depicted color-wise.

 

You may note your own local communities/cities adopting the use of LED street lighting, in no small part due to these increased visibility issues. They are highly aimable and certainly use less energy to generate equivalent lumens (such as from HID or even high pressure sodium).

High Pressure Sodium (HPS) is considered High Intensity Discharge (HID) along with Metal Halide, and even the old Mercury Vapor.

Boardmember Senior Enthusiast

Boardmember

Posted
Posted

Yes Colossus, I was distinguishing only as the metal halide/merc vapor art significantly whiter HID, opposed to high- or low-pressure sodium that is clearly yellow or orange.

1300c Enthusiast

1300c

Posted
  • Author
Posted

How do the Work Truck trim level headlights then compare to the '14 and '15 Silverado's? I am happy with the stockers in my '15. I never did like the look of a conventional halogen bulb in a projector housing. That's just me though. I was nervous about light output on the 16's so I bought a '15 Silverado instead for that very reason.

Your truck runs an h11 low beam which I believe is 1300 lumen a piece. The new trucks that have hid (which is everything under the ltz trim level) run 25w ballasts, and d5s bulbs that produce 2000 lumen each. So 2600 lumen with your setup compared to 4000 with the new hid. A fxr retrofit in your headlights using 35w-55w ballasts would produce 6400 lumen combined with d2s bulbs, or close to 7000 lumen if you get cbi bulbs. I don't know the lumen output of the new led headlights yet but I'm researching it.

1300c Enthusiast

1300c

Posted
  • Author
Posted

I'm interested in that. Lumen output and color temp. Thanks

The info has been a little hard to come by so far. I would say the color temp is 5000k-5500k though.

dieselbeef Enthusiast

dieselbeef

Posted
Posted

It sure gets confusing reading about Silverado and sierras in the same thread since they're both totally different

Lights.

 

 

Sent from my iPhone using Tapatalk

1300c Enthusiast

1300c

Posted
  • Author
Posted

It sure gets confusing reading about Silverado and sierras in the same thread since they're both totally different

Lights.

 

 

Sent from my iPhone using Tapatalk

The projectors are the same in both Hid, and led.

fbachman Senior Enthusiast

fbachman

Posted
Posted

Do even the base or work truck trim level trucks get these new LED lights or only the LT or LTZ trim levels?

 

On the Sierra's, the inteelibeam LEDs are an option.

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