20-23 Silverado HD LED Headlight Harness add LEDs This will not work on

This will not work on aftermarket taillights due to the fact that the aftermarket taillights do not come with the needed factory harness

Works on the following vehicles*

this is only the power/ECU pin harness

please email us at sales@gen5diy

20-23 Silverado HD LED Headlight Harness add LEDs This will not work onDUE TO EXTREMELY HIGH DEMAND HARNESSES WILL NOT SHIP FOR 2 3 BUSINESS DAYS AFTER ORDERS ARE PLACED This is the needed harness when upgrading your halogen style headlights to the GM LED headlights on your 20 23 HD model. Harness is plug and play. This harness will allow for the new LED accent strip to be your daytime running light during the day and allow full headlight function at night. This harness will work for both versions of the LED headlights.