DIY: Make 2015-2017 LS/LT headlights operate like a LTZ headlight (LED as DRL vice low beams)

[cmatt]

I emailed matt a while ago still havent got any replay

I believe you emailed me Wednesday morning. I replied a few minutes ago.

 

[cmatt]

I live on the Gulf coast in the area hit by hurricane Sallie early Wednesday morning. Power is coming back and roads are being cleared, but data/internet is still down including me. We were certainly lucky compared to others. I appreciate everyone's patience.

 

[cmatt]

So now that things are verified, I'm ready to offer the newest DRL harness. It will give LTZ headlight behavior to 2015-2017 LS & LT Tahoes and Suburbans with the exception of the LED strips' ability to change brightness levels.

To inquire, please email me at [email protected]. This will help me keep things organized. Payment for the harness will reserve your place in the order queue. For those of you who previously got the DRL pigtails, I am offering a $25 discount (via core refund). Once the pigtails are received back and verified to be in acceptable condition, credit will be issued.

 

[NappyBoy]

So now that things are verified, I'm ready to offer the newest DRL harness. It will give LTZ headlight behavior to 2015-2017 LS & LT Tahoes and Suburbans with the exception of the LED strips' ability to change brightness levels.

To inquire, please email me at [email protected]. This will help me keep things organized. Payment for the harness will reserve your place in the order queue. For those of you who previously got the DRL pigtails, I am offering a $25 discount (via core refund). Once the pigtails are received back and verified to be in acceptable condition, credit will be issued.

will i lose the parking light option like the old pigtails ?

 

[GranPrix]

...I will reiterate about the LED strip brightness on 2015-2017 factory headlight assemblies. Their brightness cannot be changed. GM has them built this way.

Matt is there a way around this? Is the brightness a dictated by a combo between the headlight housings and a control module?

 

[GranPrix]

View attachment 257900 Hey Guys,

so I installed CMatt's latest harness and I'm happy to report it has all functions as described.

Supports:

LED stripe on remote start
Parking Lights
Automatic on when vehicle is in drive

I took it a step further about a year ago by installing the standard 2018 headlights that have the brighter LED light bar, and I have full LED brightness. I'm going to unload a video later to show the results.

great work Matt. This is a photo of my car in drive. It was super sunny so it's harder to see but it's working great

View attachment 257898

Do you have the part# for the 2018 headlights?

 

[cmatt]

will i lose the parking light option like the old pigtails ?

No. The park lamps will function like they came from the factory.


Sent from my iPad using Tapatalk

 

[cmatt]

Matt is there a way around this? Is the brightness a dictated by a combo between the headlight housings and a control module?

Unfortunately there isn’t. There is no control module for the headlights. The LED strip has resistors hardwired into it that step down the voltage.


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[NappyBoy]

No. The park lamps will function like they came from the factory.


Sent from my iPad using Tapatalk

Hey matt i sent you the payment and an email for the shipping address

 

[Tylus]

Hey matt i sent you the payment and an email for the shipping address

Can you give me the info on those fender flares?