Learn how to turn on the power with our video guide here. You have now completed all the the most difficult steps to complete the Tower of Babble achievement. These green lights work as teleporters now.
He also begins to write the novel The Outsiders in order to show other lost, depressed kids that there is still good in the world. The final team mate will need to be at the Town near the lamp post, and after he sets down a turbine at this location the Tower of babble will be complete. Collect them and attach to the power switch to turn on the electricity, activating the green lightposts around the map.