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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
Will not work on trucks with manual dimming mirror
you can choose to use a manual switch
This harness is for all radar detectors that use a phone cord style connector (RJ11)
This harness makes it so that your DRL's will retain current daytime function and will also be on whenever your ZL1 headlamps are on
16-18 Sierra 1500 Non-Denali to 16-18 1500 Denali Headlight Harness GMC "C" Nightime Function:Like Factory (250540) Will not work on trucksThis 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
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