I came across this website while I was searching for a solution for my "trackpad control" which all of a sudden, completely stopped functioning. Without the Trackpad control I cannot use the right/left click! and the only one solution which is temporarily is to use my external USB Mouse, but I am not used to it and I find it really bothering!
iFixit provide troubleshooting, parts & tools, and free repair manuals making it easy for you to fix things your self through a step by step guide and suggest/sell the repair parts according to your needs and repair situations. I am fully aware now of how to solve my Trakcbad Control, but still I need the repair parts " a spudger, screwdriver, and new Trackpad Control Cable "!