This is used to prevent theft of your scooter and measure how may volts.
Tutorial: Cut off any excess wire, strip the red, green, and black wire inside the insulation, go inside the screen when all the wires meet. Then, go to the main connector coming from the deck, cut the yellow wire in half, strip it, and connect black and green to the side of the yellow closest to the connector, and red to the other side of the yellow wire, then insulate with electrical tape and enjoy!
