Chosen Solution
I am wondering if it’s possible to replace the trackpad without pulling the battery out, I ask this because it looks like it’s under the battery
Sadly, Apple didn’t make provisions to get to the trackpad without first removing the battery ;-{ The good news is they saw their folly! And the newer Touch Bar systems touchpad can be replaced without removing the battery! But that’s not helpful here. Here’s the guide you’ll need to follow MacBook Pro 13" Retina Display Early 2015 Trackpad Replacement