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Posted

Yes you will need the new 2024 taillight OEM harnesses (one goes to each light) plus the conversion harness. Only the 2024 Denali/AT4HD 2500HD have the newer style plug 

Posted
7 hours ago, Denali2024 said:

I have a 2024 GMC Sierra 1500 Denali.

 

Will I need any of the harnesses you mentioned in order to install the 2500 HD tail-lights on my Sierra 1500?

Yes that comment was for you forgot to tag u, my bad.

Posted
2 hours ago, Frankielozano214 said:

Yes you will need the new 2024 taillight OEM harnesses (one goes to each light) plus the conversion harness. Only the 2024 Denali/AT4HD 2500HD have the newer style plug 

Thanks for the info. Were you able to resolve the hyper flash and any other issues? 

Posted
2 hours ago, Denali2024 said:

Thanks for the info. Were you able to resolve the hyper flash and any other issues? 

Not yet haven’t had time to drop my truck off at the dealership for programming but the guy that makes the conversion harness did tell me we needa do a “box delete programming” it’s 200$ over here in Dallas tx

  • 3 weeks later...
  • 1 month later...
Posted
On 11/18/2024 at 10:58 AM, Frankielozano214 said:

Not yet haven’t had time to drop my truck off at the dealership for programming but the guy that makes the conversion harness did tell me we needa do a “box delete programming” it’s 200$ over here in Dallas tx

Have you resolved the hyper flash issue? I’m interested in upgrading my tail lights also 

Posted
16 minutes ago, Adrian B said:

Have you resolved the hyper flash issue? I’m interested in upgrading my tail lights also 

Na I was told by the harness maker I needa get a “box delete” program I did call dealership they said it’s 200$ but I’m not leaving my truck there for days, doesn’t bother me much so I’m holding out til I can get in dealer same day 

Posted
8 hours ago, Frankielozano214 said:

Na I was told by the harness maker I needa get a “box delete” program I did call dealership they said it’s 200$ but I’m not leaving my truck there for days, doesn’t bother me much so I’m holding out til I can get in dealer same day 

 

Couple of questions:

 

1. Was the harness maker @pgamboa?

2. Do the 2500 AT4 tail lights have the sequential turn signals?

 

Thanks in advance!

Posted (edited)
35 minutes ago, DBrach said:

 

Couple of questions:

 

1. Was the harness maker @pgamboa?

2. Do the 2500 AT4 tail lights have the sequential turn signals?

 

Thanks in advance!

No he didn’t make this harness, but I do think he’s gonna be in the process of making a harness very soon. Definitely swapping my harness out with Pgamboa’s once he has them made. As for the sequential turning that’s programmed in the bcm so no we don’t get the fancy lighting

Edited by Frankielozano214
Posted
Just now, Frankielozano214 said:

No he didn’t make this harness, but I do think he’s gonna be in the process of making a harness very soon. Definitely swapping my harness out with Pgamboa’s once he has it made

Thank you, and are the turn signals sequential?

Posted
3 minutes ago, DBrach said:

Thank you, and are the turn signals sequential?

No but they are way brighter then the 2020 Denali led taillight 

 

rear lights lite up 

IMG_2588.thumb.jpeg.5d9e70f08726ff70748229d68b0deeb4.jpeg

Brake light 

IMG_2570.thumb.jpeg.4f0d4598286f4ec27ed75e5a1b517671.jpeg

Posted
6 minutes ago, Frankielozano214 said:

No but they are way brighter then the 2020 Denali led taillight 

 

rear lights lite up 

IMG_2588.thumb.jpeg.5d9e70f08726ff70748229d68b0deeb4.jpeg

Brake light 

IMG_2570.thumb.jpeg.4f0d4598286f4ec27ed75e5a1b517671.jpeg

 

Thank you! I have seen some of them that are sequential and I have been trying to find those but to no luck. Let me know if you happen to know which ones those are if not I will update the forum once I find out.

  • 2 weeks later...
Posted
On 11/18/2024 at 6:34 AM, Frankielozano214 said:

I have a set available asking 1000$ for Denali like the ones on my truck 2024 Denali 2500HD

I see you're selling the AT4 on Ebay, are you still selling the 2024 HD 2500 Denali tail lights?

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