1200 XP, Wrench
Talk to Darvin downstairs in the Lighthouse after talking to James during the Knockin On Heaven's Door quest to start this quest. Your goal is to find Marcus and fix the transformers.
On the way you pass bungalow #20 where you will find Luke Craig and can start the Too Much Sugar side quest.
Once you reach Marcus kill the zombies around him and talk to him. Follow the mini-map to the other transformer. Hit the four switches and head back to Marcus.
Talk to Marcus, take the cash from him and head back to Darvin and get your reward.
Personal ID #013 - On the way to Marcus, you will pass bungalow #20 it's inside on a shelf across from Luke Craig.