What bulbs are people using to replace the DRL bulbs? LED?

[OneofFew]

Both of mine are burnt out and I noticed there are 2 filaments... someone used the wrong bulb... I read a TSB (see below) that recommends an updated bulb, but I feel I may a swell use an LED. Is there a recommended source? part #?

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Bulletin No.: 00-08-42-010A

Date: June 20, 2003

INFORMATION
Subject:
Daytime Running Lamp (DRL) Bulb Replacement

Models:
2002-2003 Cadillac Escalade, Escalade EXT
2003 Cadillac Escalade ESV
1999-2003 Chevrolet Silverado Pickup Models
2000-2003 Chevrolet Tahoe, Suburban
2002-2003 Chevrolet Avalanche
1999-2003 GMC Sierra Pickup Models
2000-2003 GMC Yukon, Yukon XL
2001-2003 GMC Denali, Denali XL

Supercede:

This bulletin is being revised to add model information and to announce availability of new DRL bulb part number.

Please discard Corporate Bulletin Number 00-08-42-010 (Section 08 - Body and Accessories).

A new 14 volt DRL bulb, PIN 15199562 (trade bulb # 4114K), is now available for use whenever a DRL lamp bulb on the above listed vehicles requires replacement. This more robust, higher voltage DRL bulb replaces P/N 1999482 (trade bulb #.4157K). These bulbs should be replaced in pairs for customer satisfaction.
====

 

[PG01]

I dont know but.....id like a more ‘robust’ drl for my ‘satisfaction’

 

[Fless]

Both of mine are burnt out and I noticed there are 2 filaments... someone used the wrong bulb...

@OneofFew, not necessarily the wrong bulb. The owner's manual and bulb charts show the dual-filament bulb is the one to use -- for DRLs, I have no idea why. Always wondered about that, one of life's little mysteries.

 

[08grey]

Led?

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[95escahoe]

I used a 4114 LED in my DRL’s

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[Z-56 Hoe]

I got ride of mine and put switch backs in my turn signal's.

 

[05Single]

I got ride of mine and put switch backs in my turn signal's.

Whoa welcome back buddy



Side note, use 4114 halogen or led. Can be found at any local parts store. Learned the hard way with my Silverado, went through 2 pairs of 3157 LEDs when I finally did some research and found out the correct bulb.

 

[OneofFew]

There are only 2 wires going to the bulb socket, so only 1 filament can be powered. Makes no sense that chevy used a 2 filament bulb. I guess that bulb is what they had in stock, so they ran with it...

I have read that the 4114k bulb is designed for higher voltage than the 3157.
As to LED- I'm looking at these Sylvanias
https://www.amazon.com/gp/product/B01A77U85C/ref=ox_sc_act_title_1?smid=A3MIJ050V6KVBD&psc=1

 

[mattbta]

I have read that the 4114k bulb is designed for higher voltage than the 3157.
As to LED- I'm looking at these Sylvanias
https://www.amazon.com/gp/product/B01A77U85C/ref=ox_sc_act_title_1?smid=A3MIJ050V6KVBD&psc=1

I replaced some 2008 eBay specials with these two years ago and still going good. I really like them.

 

[W8TVI]

I've been using these JDM ASTAR 10W LEDs in my Yukon XL since January of 2017, and I love them http://a.co/ihsLIZg

I have a video in this post showing what they look like if you are interested.

 

[Fless]

I've been using these JDM ASTAR 10W LEDs in my Yukon XL since January of 2017, and I love them http://a.co/ihsLIZg

LOL Wonder why the ad says this? Too bright? Run too warm for always-on?

 

[HiHoeSilver]

LOL Wonder why the ad says this? Too bright? Run too warm for always-on?

View attachment 204256

Correct. Same reason why it's a 4114 and not 3157.

 

[Fless]

I don't quite understand that. The incandescent 4114 (which is the OEM DRL bulb) is a higher wattage bulb by about 5 watts than the 3157, so it produces more heat, no?

EDIT: do you think the LEDs put out more heat than an OEM incandescent?

 

[HiHoeSilver]

I don't quite understand that. The incandescent 4114 (which is the OEM DRL bulb) is a higher wattage bulb by about 5 watts than the 3157, so it produces more heat, no?

EDIT: do you think the LEDs put out more heat than an OEM incandescent?

Heat comes from resistance, and the 4114 is a rough service (long life) bulb with a heavier filament and therefore less resistance, I believe.

 

[08grey]

I put 3157 led switchbacks in that spot. My signal lights are in that spot also. Is that not the same for you guys?

 

[Fless]

NBS DRLs are in the same fixture as the turn signals but different bulbs.

 

[steve45]

I got tired of replacing them every 6 months--so I don't!

 

[willinnashville]

I bought Sylvania ZEVO 4114 bulbs for the DRLs in my Denali back in November and they have been great so far

 

[W8TVI]

LOL Wonder why the ad says this? Too bright? Run too warm for always-on?

View attachment 204256

Good question. They didn't use to say that.
Still, I've used them for about a year and a half with no trouble as DRL bulbs. They run much cooler than incandescent bulbs and should be just fine.

 

[eric woods]

I've been using these JDM ASTAR 10W LEDs in my Yukon XL since January of 2017, and I love them http://a.co/ihsLIZg

I have a video in this post showing what they look like if you are interested.

Agreed on the JDM ASTARs. Very versatile bulb and looks more like the Halogen headlights than the the traditional incandescents. With these in the DRL and backup lights, the vehicle is also very well lit at night when approaching and unlocking. I put a smaller version in my fogs as well.