- Blown Fuse: Check the fuse box for a blown fuse. If you find a blown fuse, replace it with a fuse of the same amperage.
- Loose Connections: Check all of the electrical connections on the speedometer and turn signals to ensure they are tight.
- Bad Speed Sensor: The speed sensor is responsible for sending the speed signal to the speedometer. If the speed sensor is malfunctioning, the speedometer will not work.
- Faulty Speedometer: The speedometer itself could be faulty. If you suspect the speedometer may be faulty, you will need to have it tested by a qualified mechanic.
- Bad Turn Signal Switch: The turn signal switch is responsible for turning on the turn signals. If the turn signal switch is malfunctioning, the turn signals will not work.
- Bad Grounds: Check all of the grounds to make sure they are tight and clean.
- Bad Wiring: Check all of the wiring to ensure that it is not frayed, broken, or loose.
