Description??Standalone Transmission Controller For 4L80E Transmission.The EZ Shifter is a complete kit for your hotrod, drag car or what ever you need an electronic transmission in, easy to install only 4 wires needed to work, This will fit any 4L80E 1994 and newer transmission no other computer need but the EZ Shifter.Features:1 – Solid-State Electronics2 – Microprocessor Controlled 3 – Full Line Pressure At All Times For The Firmest of Shifts 4 – Controllable Torque Converter Engagement 5 – Simple to Hookup6 – EZ Shifter Comes With 6FT of GXL Automotive Grade High Temperature Wire7 – EZ Shifter Has Sealed All Aluminum Case8 – Easily Removed No Modification To Vehicle Or Transmission Required 9 – Gear Can Be Shifted With Factory Floor or Column Shifter10 – Maintains OE Forward Shift Pattern and Engine Breaking11 – Works Like A Full Manual Vale Body Shifter Must Be Moved To Shift Gears12 – Complete Kit No Other Electronics Needed.Note: Your Shifter Must Have P R N D 3 2 1 or P R N 4 3 2 1 For The EZ Shifter to Work, Ratchet Shifter Is Recommended.