2020-2023 to 24+ GMC Sierra HD Front End LED Headlight Conversion Harness Kit

CONVERT YOUR 2020-2023 GMC SIERRA HD TO THE NEW 2024+ GMC SIERRA HD FRONT END! Plug and play headlight conversion adapter harness to swap your 20-23 GMC Sierra HD headlights to the 2024+ GMC Sierra HD 2500 factory LED headlights + optional 2024+ GMC Sierra HD bumper and Denali grill. The harness is completely plug and play, no modification required! You can also add on NEW 2024+ GMC Sierra HD LED headlights + Ballasts and USED 2024+ GMC HD bumper + grill + filler panels! Swap your 20-23 GMC HD headlights with the 8-pin connector to the 2024+ GMC Sierra HD 12-pin LED headlights. You will still need to swap the front bumper, grill, and other items.

OPTIONAL USED BUMPER/GRILL: We supply you with great condition take-off parts from 2024+ GMC Sierra HD Denali or AT4 trucks. You can request a specific color and we will try our best to supply you it. However, if we are unable to then you will need to have the bumper repainted. The filler panels (below the headlights) are NEW come UNPAINTED. They will REQUIRE PAINTING!

THIS HARNESS IS FOR INSTALLING THE 24+ YEAR HEADLIGHTS on your 20-23 Model HD truck.

WHEN SELECTING YOUR MODEL, SELECT THE TYPE OF TURN SIGNALS YOUR FACTORY 20-23 HEADLIGHTS HAVE.

Installing the adapter harness is very simple. Just plug it in to the new headlights, then plug the other end into the vehicles headlight connector harness.

Order Includes:

• (2) Plug & Play Adapter Harness
• Optional - NEW 2024+ GMC Sierra HD LED headlights + Ballasts
• OPTIONAL - USED BUMPER + GRILL 
• NEW FILLER PANELS

Vehicle Compatibility:

• 2020-2023 GMC Sierra HD 2500 3500 4500