If you are a novice, converting a normal gas driven car into an electric vehicle is not easy. You will need to get your hands dirty and lots of elbow grease. The videos show how it is like to pull out the internal combustion engine. The end goal is to remove the engine, the radiator and the fuel lines.
Generally, you are taking our the plumbing system of the car and replacing it with electric wires. Also, check out the blog post on the tools needed for a DIY electric car conversion.