MacBook Board Layers
In case anyone else is fixing one of these nightmares keep these pictures around so you don't have to strip open a donor board too... A1707 trackpad connector. I checked both boards for the 1707, they are the same traces. layer 1 is the one you can see, layer 2 is another ground plane, layer 3 is the first picture, layer 4 is ground plane, layer 5 is the second picture. -- Paul S.