Western 72101-1 Headligh Harness Kit 2016-2018 Chevy GMC 1500 LED-HID

72101 Headlight adapter kit will fit 2016-2018 Chevy & GMC 1500 series trucks with HID or LED Lights

This will work for Western, Fisher & SnowEx 3 port wiring systems

If you are unsure if this kit will fit your truck you can use Western Quick Match to verify

If you don't already have it, you will need a module: 29070-1 Isolation Module