What is the Turn Signal Switch?
The turn signal switch, situated inside the car on the steering column, lets you to turn the signal bulbs on. Properly functioning turn signal lights are legally mandatory.
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Facts to Note:
The wiring for brake lights usually goes through the turn signal switch. This means that if the turn signal switch has gone bad, your brake lights may not be functioning.
Some vehicles use a “combination” switch. This switch operates the turn signals, running lights, and headlights.
How to Fix:
Examine the switch, fuses, and wirings.
Remove and replace the switch if faulty.
Operate the turn signals verify operation of the exterior lights.
If your turn signal lights do not function, your mechanic will visually examine the fuse(s) and operate the switch a bit to see if he can determine where the problem is. Your mechanic should examine all lights during every major service event.
Common signs indicating you may need to change the Turn Signal Switch:
Left or right indicator light is not working.
Brake lights are not working.
Running lights or headlamps not working.
Unable to change from high to low beam and back.
Importance of this service:
When you position the turn signal lever on your steering column, the turn signal switch is in control of turning on your turn signals. Turn signals are a very essential safety feature that alerts drivers all around you that your vehicle will soon be making a turn. When your turn signal switch dies, you have no way of turning on your turn signals. This not only makes your car less safe, but it is also illegal, and you can be given a very pricy fix-it ticket.