Best Choice: If the keys in your laptop are unresponsive and the keyboard backlight or fan does not light up, it could be caused by a torn or damaged flexible cable for that keyboard. Then this a1706 keyboard flex cable is the perfect solution to the problem of the old keyboard flex cable not working.
Product Description: The keyboard flex cable connects the keyboard to the logic board. It also sends power data to the keyboard's LED backlight and powers the left and right CPU fans.
Compatible Model: Compatible with MacBook Pro 13" Retina (Touch Bar, Late 2016-Mid 2017) A1706: MacBookPro13,2 Late 2016:(MLH12LL/A),MacBookPro14,2 Mid 2017:(MPXV2LL/A).