How Do You Troubleshoot A Turn Signal Switch?
If the turn signal lights on your vehicle don’t work at all or behave strangely and you already inspected light bulbs, sockets, circuit, fuse and flasher unit, it is time to troubleshoot the turn signal switch. These switches are subject to wear as well and eventually fail. If you have a basic knowledge of electricity or want to learn basic troubleshooting procedures, the next steps will help you determine effectively whether the turn signal switch on your vehicle needs replacement. Work along with the wiring diagram located in your vehicle service manual, as circuits and configurations vary from model to model. Remove the dashboard lower cover and knee bolster (under the steering column) so you have access to the switch wiring. You might have to take off the upper and lower steering column covers too in order to reach the wire connectors for the turn signal switch. Look at the wiring diagram for your vehicle and find the wire carrying current from the turn signal flasher to the turn s
