A turn signal circuit, or blinker, is a vital component in any vehicle and it’s important to understand how they work so they can be properly maintained. Let’s take a closer look at how a turn signal circuit works.
At the heart of the turn signal circuit is a relay switch. This switch is controlled by two inputs – the brake pedal and the turn signal lever. When either of these are triggered, power is sent to the flasher unit which then sends it to the two turn signal lights. The flasher unit is the brains of the operation as it monitors both how long the switch is active and how fast the circuit should be flashing.
The turn signal lever activates the brake pedal switch which then sends power to the flasher. The flasher monitors the amount of time the switch has been active and determines whether to flash the left, right, or both lights. It also monitors the speed of the flashing which can be programmed as needed.
When the turn signal lever is released, the flasher will send a message to the brake pedal switch to deactivate the circuit. At this point, the circuit is reset and ready for another turn signal.
While turn signal circuits are known for their simplicity, understanding how they work can help you identify potential issues before they become big problems. Regular maintenance of all components in the turn signal circuit, such as ensuring functionality of the relay switch and flasher unit, can help keep your car running smoothly.
If something does go wrong with your turn signal circuit, it’s important to get it checked out right away. If the problem isn’t addressed, you may find yourself in an unsafe situation.
Understanding the basics of a turn signal circuit can help you identify potential issues and make sure you’re driving safely. Knowing how your turn signals work can help you be a better driver and take care of your car.
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