If the trackpad touchpad ribbon flex cable in your laptop is damaged or defective and not working properly, this 821-01063-01 touchpad flex cableis the perfect solution to your trackpad not working problem.
The A1706 trackpad cable connects the trackpad and keyboard to the logic board, Installation is easy but do see some online videos to ensure you dont damage it.
Compatible with MacBook Pro 13" Retina (Touch Bar, Late 2016-2020) A1706, A1989 and A2251:MacBookPro13,2 Late 2016:(MLH12LL/A),MacBookPro14,2 Mid 2017:(MPXV2LL/A),MacBookPro15,2 Mid 2018:(MR9Q2LL/A,MR9U2LL/A,MR9R2LL/A,MR9V2LL/A or BTO/CTO),MacBookPro15,2 Mid 2019: (MV962LL/A,MV972LL/A,MV992LL/A,MV9A2LL/A or MV982LL/A), MacBookPro16,2 2020:(MWP72LL/A or BTO/CTO).