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OEM Fog light and Trailer Brake Controller

Tagrunt
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Tagrunt New Member

Tagrunt

Posted
Posted

Well I have a 2024 Chevy Silverado 1500 WT with Z71 package.  Unfortunately mine didn't come with trailer Brake Controller or Fog Lights.  I wanted to know if I could add OEM Brake Controller and OEM Foglights ?

Bikerjon Enthusiast

Bikerjon

Posted
Posted
On 6/1/2025 at 9:25 AM, Tagrunt said:

Well I have a 2024 Chevy Silverado 1500 WT with Z71 package.  Unfortunately mine didn't come with trailer Brake Controller or Fog Lights.  I wanted to know if I could add OEM Brake Controller and OEM Foglights ?

Welcome to the forum. You should be searching the forum for your answers. There are posts on here that cover your questions. In a nut shell there is currently no kit to add OEM foglights. No way to add OEM brake controller either. You will need to look at the aftermarket for that.

davester Senior Enthusiast

davester

Posted
Posted

Yeah, you can buy the physical parts for the oem trail brake controller, but GM won't permit changing the truck's programming so the bits work.

 

Fog lights MIGHT work, my truck didn't come w them, but after adding the fog light switch, the right pin in the fuse box got power when the button was pushed.  Maybe your truck will be the same.

newdude Senior Enthusiast

newdude

Posted
Posted (edited)
On 6/1/2025 at 10:25 AM, Tagrunt said:

Well I have a 2024 Chevy Silverado 1500 WT with Z71 package.  Unfortunately mine didn't come with trailer Brake Controller or Fog Lights.  I wanted to know if I could add OEM Brake Controller and OEM Foglights ?

 

 

No and no. 

 

GM still has yet to release their fog light kit for the 22.5-26 trucks.  You can buy the parts necessary and install but you will have to wire it on some other sort of switch if you so chose.  No guarantee it will work with the OEM switch as there is typically programming involved.  

 

The trailer brake control can NOT be added.  There is no plug and play for it whatsoever as there are modules missing and not all of the wiring is not present.  Pick your favorite brand of aftermarket brake controller and install it.  

 

 

Edited by newdude
newdude Senior Enthusiast

newdude

Posted
Posted
9 hours ago, Tagrunt said:

Yes I was looking at the Spectrum brake Controller kit that GM sales as an accessory.

 

 

That one you can add, yes.  

RobT420 Enthusiast

RobT420

Posted
Posted

I have a 2020 Sierra 1500 LS without those too, I was able to get factory fog lights installed without needing any non-factory modification. My local dealer installed them and the new light switch (same as factory and on the factory light switch panel) and they did whatever programming was required to make them work. I definitely recommend them. I did have to “go back” (from the Walmart right next door to them) twice as they didn’t get the program properly saved: worked fine in their shop and parking lot but when I tried them a minute after leaving they didn’t turn on, I can’t recall what the second issue was, but it didn’t take them long to fix and they’ve worked fine in the years following install. I too want to get a brake controller installed but have yet to do it. I’d really love to have a 110v outlet on the dash and in the bed so I wouldn’t need to hook up an inverter to charge my Milwaukee and dewalt batteries when working, but I don’t know if either of those are an option via GM (or even junk yard) or if I’d have to rig something  myself using all aftermarket stuff.

davester Senior Enthusiast

davester

Posted
Posted
On 6/4/2025 at 2:56 PM, RobT420 said:

I have a 2020 Sierra 1500 LS without those too, I was able to get factory fog lights installed without needing any non-factory modification. My local dealer installed them and the new light switch (same as factory and on the factory light switch panel) and they did whatever programming was required to make them work. I definitely recommend them. I did have to “go back” (from the Walmart right next door to them) twice as they didn’t get the program properly saved: worked fine in their shop and parking lot but when I tried them a minute after leaving they didn’t turn on, I can’t recall what the second issue was, but it didn’t take them long to fix and they’ve worked fine in the years following install. I too want to get a brake controller installed but have yet to do it. I’d really love to have a 110v outlet on the dash and in the bed so I wouldn’t need to hook up an inverter to charge my Milwaukee and dewalt batteries when working, but I don’t know if either of those are an option via GM (or even junk yard) or if I’d have to rig something  myself using all aftermarket stuff.

You'll want to install an aftermarket invert if you do this.  The inverter GM installs is only 3 or 400 watts, so very low power.

 

You may wish to see if there is a DC charging solution for those batteries, that may be more efficient and easier to install.

  • Like 1
newdude Senior Enthusiast

newdude

Posted
Posted
1 hour ago, hongmi said:

I’ve got the same truck and added the OEM brake controller with no issues—it’s plug and play but needs dealer programming. Fog lights are doable too if you get the right harness and switch. Just takes a bit of digging. Worth it in my opinion!

 

 

Its not plug and play.  You can NOT add the OEM integrated controller.  Can't just add the switch and it works.  

 

Bulletin from GM about ti - MC-11012938-0001.pdf

JimCost2014 Senior Enthusiast

JimCost2014

Posted
Posted
13 hours ago, hongmi said:

I’ve got the same truck and added the OEM brake controller with no issues—it’s plug and play but needs dealer programming. Fog lights are doable too if you get the right harness and switch. Just takes a bit of digging. Worth it in my opinion!

What did they charge you to program the factory brake controller?

  • 3 weeks later...
davester Senior Enthusiast

davester

Posted
Posted
On 6/9/2025 at 10:09 PM, JimCost2014 said:

What did they charge you to program the factory brake controller?

turns out that poster is just a spammer, and just made up that "I could add it to my truck" part...

JimCost2014 Senior Enthusiast

JimCost2014

Posted
Posted
On 6/25/2025 at 11:00 PM, davester said:

turns out that poster is just a spammer, and just made up that "I could add it to my truck" part...

Pretty sure he was, just curious about what lie was going to be the response.

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