If your Duke motorcycle is not displaying the ignition light on the dashboard, there could be several possible causes for this issue. Here are a few things you can check:
Faulty Ignition Switch: The ignition switch may be malfunctioning, preventing the ignition light from turning on. Check if the switch is in the proper position and functioning correctly.
Blown Fuse: A blown fuse can interrupt the electrical circuit and cause the ignition light to stop working. Locate the fuse box on your Duke and check if any of the fuses related to the ignition system have blown. If so, replace the fuse with a new one of the same rating.
Battery Connection: Ensure that the battery connections are secure and free from corrosion. Loose or corroded connections can disrupt the flow of electricity to the ignition system.
Dead Battery: If your battery is completely drained or dead, it may not have enough power to activate the ignition light. Try jump-starting your motorcycle using another vehicle or a battery charger. If the ignition light comes on after jump-starting, it indicates a battery problem.
Faulty Ignition Relay: The ignition relay is responsible for sending power to the ignition system. A faulty relay can prevent the ignition light from functioning. Consult your Duke's manual or a professional mechanic to locate and test the ignition relay.
Wiring Issues: Inspect the wiring harness connected to the ignition system for any signs of damage, loose connections, or frayed wires. Damaged wiring can cause electrical problems, including the failure of the ignition light.
If none of these suggestions solve the issue, it is recommended to take your Duke motorcycle to an authorized service center or a qualified mechanic who can diagnose and repair the specific problem with your motorcycle's ignition system.