2019-2023 Sierra New Body Foglight Harness(Adding Fog Lights) bowtie harness Programming is designed to burn

Programming is designed to burn fuel at peak efficiency

Harness Options:

while in auto mode

This grille does not come with the bowtie or the ZL1 emblem

We do sell the ZL1 grille

2019-2023 Sierra New Body Foglight Harness(Adding Fog Lights) bowtie harness Programming is designed to burnHave you added fog lights to your new Sierra and need a proper way to connect them, well look no further. has the plug and play harness available for you. Harness is available in 1 of 3 options. This harness will work on both GM lights as well as aftermarket fog lights as all aftermarket fog lights, for this year range, use the same GM plug. 250500 This harness will simply allow the fog lights to come on at night and remain on when the high beams are