1. Park your car in a safe location and turn off the engine.
2. Open the hood and disconnect the negative battery terminal.
3. Remove the four screws that hold the instrument cluster in place.
4. Carefully pull the instrument cluster out of the dash.
5. Locate the turn signal flasher. It is a small, black box with a green connector.
6. Disconnect the connector from the flasher.
7. Remove the old flasher and install the new one.
8. Reconnect the connector to the flasher.
9. Reinstall the instrument cluster and the four screws that hold it in place.
10. Connect the negative battery terminal and close the hood.