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Simple LED Headlight Upgrade?

BigGuy MDU
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BigGuy MDU Enthusiast

BigGuy MDU

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Just picked up a 24 Silverado WT with the offroad package and of course it came with standard halogen bulbs.  Previously had a 21 that I upgraded to LED without issue.  Strangely enough, when I looked in the owners manual on the app, it has a disclaimer that Halogen bulbs should not be replaced with LED bulbs as serious electrical issues may result.  I never had any kind of issue on my previous truck.  Is anyone aware of any issues that have been brought forward by doing the seemingly simple upgrade?

64BAwagon Senior Enthusiast

64BAwagon

Posted
Posted

The LT models in the HD trucks still have halogens. I replaced mine with H11 LED's (high and low were the same) from Lasfit. Huge difference and no issues. They were about $50 pr after using an online coupon. As long as you stay with the reasonable power units you should be fine. Mine were the best $100 mod in a long time. 

Their online guide doesnt always show what will fit your model. I believe my truck had H9 and H11 originally. 

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Vincej138 Enthusiast

Vincej138

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X2 on the Lasfit upgrade on my 22' Custom. I got high's and lows, still have not installed the highs cause the lows are so good. And they are kind of a PITA to install. But they work great. 

 

They sent me the same bulbs for high/lows, which stock they are H9 and H11, they do interchange, but was kinda odd

 

0 issues and im about 7000 miles in

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BigGuy MDU Enthusiast

BigGuy MDU

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This is what the online owners manual shows.   I know I didn't have any issues at all in my last truck and the light output was amazing.   I had gone with the sealight off of Amazon and actually removed them before trading the truck in.   Screenshot_20240405_193330.thumb.jpg.6092d36f67a69b5b1492e274520ee507.jpg

20240319_200905.jpg

kickass audio Enthusiast

kickass audio

Posted
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the only electrical problems I can see would be the bulb out system that tells you if you burned a light without you noticing it and the pulse width modulated daytime running lights. In daytime running mode the lights are actually a modified sine-wave and on normal power they run at the full 12v power.

 

On my old 2014 silverado and my 2004 envoy I bypassed the stupid pulse width modulation problem by tapping into the running light circuit that controls the corner bulbs and used it to trigger external 12v relays that turned on the power to my HID ballasts as I ran bi-xenon projectors that I modded into the headlight.

 

You can get kits that will be plug and play with the factory headlight wires but I wanted to extend my bulb life and not run the daytime running lights and only have headlights when the parking lights turned on. This made it so I had no DRL's and the bi-xenons ran when it was dark outside or I flipped the light knob to parking lights or normal mode.

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Bikerjon Enthusiast

Bikerjon

Posted
Posted
4 hours ago, BigGuy MDU said:

This is what the online owners manual shows.   I know I didn't have any issues at all in my last truck and the light output was amazing.   I had gone with the sealight off of Amazon and actually removed them before trading the truck in.   Screenshot_20240405_193330.thumb.jpg.6092d36f67a69b5b1492e274520ee507.jpg

20240319_200905.jpg

BigGuy I replaced my high and low beam lights on a 2021 Trail Boss Custom and replaced all 4 lights on my 2023 T.B. Custom last August when I purchased it new. I read somewhere not to do it but ignored it and replaced all of my headlights with LEDs. I am not telling you its OK to install the LEDs but I did and have had no problems.

 

Hope this helps you.

 

 

 

 

 

 

 

 

 

 

when I purchased

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  • 1 year later...
MorningStar6x³ New Member

MorningStar6x³

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Posted

I replaced my halogen with the brighter leds by lasfit, and now I have a fault code for body control module and front turn signals, no check engine or any other noticable issues, but that can bus is thinking I got some problems.

BigGuy MDU Enthusiast

BigGuy MDU

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I put LED bulbs in my 24 WT, they only lasted 3 months and started flickering and randomly turning on and off.   No fault codes at all.   I put my factory halogens back in.  I hate the light output with the halogens but don't want to waste money on more bulbs right now.

Bikerjon Enthusiast

Bikerjon

Posted
Posted
3 hours ago, BigGuy MDU said:

I put LED bulbs in my 24 WT, they only lasted 3 months and started flickering and randomly turning on and off.   No fault codes at all.   I put my factory halogens back in.  I hate the light output with the halogens but don't want to waste money on more bulbs right now.

Did you use Lasfit bulbs or "other"?

BigGuy MDU Enthusiast

BigGuy MDU

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No,  I went with Sealight.  I had used them on my 2021 with fantastic results.   Not the most expensive by any means but I was able to get 3 trouble free years out of them on my old truck.

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