- Blown fuse: Check the fuse box for a blown fuse that controls the speedometer and dash lights.
- Faulty bulb: Check the bulbs in the speedometer and dash to see if they are burnt out.
- Faulty wiring: Check the wiring connections to the speedometer and dash to make sure they are secure and not damaged.
- Faulty instrument cluster: The instrument cluster may be faulty, causing the speedometer and dash lights not to work.
- Faulty speed sensor: The speed sensor located on the transmission may be faulty, preventing the speedometer from working.