1. Ignition Switch Failure: Ensure proper connection between the ignition switch and wiring harness; a failing ignition switch may not send signals to power up dashboard lights.
2. Faulty Main Relay: Inspect and replace if damaged to restore power supply to dashboard lights.
3. Fuse Check: Look for blown fuses that control dashboard lights and replace accordingly. Check the owner's manual for precise fuse location.
4. Grounding Issue: Inspect and clean corrosion from any body-grounding connections between chassis and related components such as the engine.