THE BEST SIDE OF PAC MAN THC CARTS

I have a Ms Pacman that I think desires a power source, can a person give me Directions regarding which wires to cut from the initial cupboard and how they have to be mounted on ta switching ability provide?I am a tad baffled - is it speculated to be connected to a thing? Touching the metal bit of the sting connector or anything?This method is used