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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Programming is designed to burn fuel at peak efficiency
The manufacturing process may leave small swirl marks or scuffs which will be under the anodizing for Candy Red & Black offerings
and we will confirm that you have selected the correct harness
We do sell the ZL1 grille
Our testing showed a 26 HP gain with no tune or other modifications
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
