Chosen Solution
I am not seeing a guide for the trackpad replacement on a Mid-2015 MacBook Pro 15” Retina Display with Dedicated Graphics. Has this been created yet? Can’t seem to find it.
There is no difference between the 15” IG and DG models other than the logic board & heatsink. Sorry we don’t have a 15” trackpad guide not sure why. But! it turns out the 13” uses the same procedure following this guide MacBook Pro 15" Retina Display Mid 2015 Battery Replacement follow it down to the end and then jump to Step 37 in this guide MacBook Pro 13" Retina Display Early 2015 Trackpad Replacement there are some slight differences with the screw locations and here’s the needed part MacBook Pro 15" Retina (Mid 2015) Trackpad