The headlight wiring diagram will show how the power flows from the battery to the switch and then to the headlight itself. Taillight:. To properly connect the ground wire for motorcycle lights, ensure that it is securely connected to the frame or a designated ground point on your motorcycle. Clean the surface area and remove any paint, rust.. Cut a pair of red electrical wires with wire cutters-one wire for low-beam, the other for high-beam--to extend from the headlight control switch to the headlight's bulb socket. Join the extended wires to the switch's high and low-beam wires using butt connectors. Route the extended wires to the headlight socket.
In this video I go through understanding the basics on reading motorcycle wiring diagrams, and how to wire a motorcycle headlight!Everything used in this vid.. If you want to wire the bike yourself, it's not too hard. Here are the basic steps for how to wire a motorcycle: Draw a diagram to map out your wires and connections. Use 16-gauge or 18-gauge insulated copper wire. Confirm you'll have enough length - do a dry run and test the length as your turn the handle bars and properly route the wires.