Pay in 4 interest-free payments of $39.88 Learn more
Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
IF YOU CURRENTLY HAVE A USB/AUX PORT
BULBS NOT INCLUDED
Please note that with this harness installed you will lose the ability to have just your parking lights on
Relay can be mounted to a suitable location under the hood
14-15 Sierra SLT to 16-19 HD Headlight Harness roto fab IF YOU CURRENTLY HAVE AThis is only for OEM headlights not aftermarket headlights. This harness is for those with 2014 and 2015 GMC Sierra SLT models that want to upgrade to the 2016 2019 HD(2500&3500) HID headlights. The 2016 2018 HD headlights look identical to the the 2014 2015 SLT headlights except they utilize a HID bulb for a much brighter and functional look. This harness provides the "clean power" needed to run the GM HID bulbs. For use with these 16 19 HD
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