16-18 Sierra 1500 Non-Denali to 16-18 1500 Denali Headlight Harness GMC "C" Nightime Function:Like Factory (250540) Every aspect of induction technology

Every aspect of induction technology has been used in this system

This harness eliminates t-taping into the factory harness when installing load resistors

AFTER THE INITIAL INSTRCUTIONS WERE MADE WE DID ADD A CLEAN POWER SOURCE TO THE HARNESS

Hose clamps (2)

you have the means to manually control the bypass valves on your Camaro that has the NPP exhaust option

16-18 Sierra 1500 Non-Denali to 16-18 1500 Denali Headlight Harness GMC "C" Nightime Function:Like Factory (250540) Every aspect of induction technologyThis is only for OEM headlights not aftermarket headlights. This harness is for those with 2016 2018 GMC half ton Sierra, Non Denali models and are installing the 2016 2018 GMC half ton Denali Headlights. Harness is plug and play with load resistors to compensate for the addition of LED turn signals. Harness is available in 2 different options. Factory DRL will be bright during the day and dim down at night (250540) Bright at night: DRL's will remain