Step 16
Use a spudger to flip up the brown plastic flap securing the left ambient light sensor cable to the logic board.
Slide the left ambient light sensor cable to the left and out of its connector.
Step 17
Peel up the left ambient light sensor cable from above the left fan.
Step 18
Disconnect the two antenna cables attached to the Airport Extreme card.
The white antenna cable connects to the left side of the Airport Extreme card.