No no bro, it's easy actually. Haha :D How will you learn it? Easy, bring your car to any car electrical shop or accesories shop. Say that you want to pull out wire from "ignition" or "light". They will do it and you observe really really carefully and ask questions. Like student and lecturer. Haha :D
This module only uses very little current. That's why you can pull out wire from anywhere. If those heavy lights and applications, you need to rewire and put relay.
Haha, happy DIY. :D You can try.
Put some guts and open up your middle console to see the ciggy lighter wires. Try try and sure can. :D