Demystifying the Vehicle Flasher Relay

Demystifying the Vehicle Flasher Relay

by Frank K on October 13, 2023 Categories: News

When we think about the safety features of our vehicles, flashy components like airbags, antilock brakes, and advanced collision avoidance systems often take center stage. However, there's one unassuming component that has played a pivotal role in road safety for decades – the vehicle flasher relay. This small but essential part is responsible for the rhythmic blinking of turn signals and hazard lights, ensuring that drivers communicate their intentions to others on the road. In this article, we'll delve into the fascinating world of the vehicle flasher relay, shedding light on its functionality, evolution, and importance.

Importance of the Vehicle Flasher Relay

The vehicle flasher relay may be a small and often overlooked component, but it plays a crucial role in ensuring road safety. Its importance can be summarized in the following ways:

  1. Communication: Turn signals and hazard lights are essential means of communication between drivers. They indicate a driver's intentions, such as making a lane change, turning left or right, or signaling a problem. The flasher relay is what ensures these signals are visible to others on the road.
  2. Safety: Turn signals are vital for preventing accidents, as they inform other drivers of your intended actions. Whether merging onto a highway or making a left turn at an intersection, the flashing lights of your vehicle indicate your planned movements, helping to reduce the risk of collisions.
  3. Legal Compliance: In most countries, using turn signals is a legal requirement. The flasher relay ensures that drivers can comply with these regulations easily and effectively.
  4. Emergency Alerts: Hazard lights, controlled by the flasher relay, serve as emergency signals. When you encounter a sudden issue on the road, such as a breakdown or an accident, activating your hazard lights can help alert other drivers to the situation, enhancing safety.

LED Flasher Relays

As LED bulbs become more popular over incandescent bulbs, Flasher relays made specifically for LED bulbs become more important. The typical mechanical flashers cannot work with LED bulbs, because LED bulbs utilize a smaller amount of current flow than incandescent bulbs. This causes a problem where not enough heat is produced to the internal strip and open the circuit. This is the reason why when you install LED turn signal bulbs without the LED flasher relay, the signal makes a hyperflashing issue. DAMA flasher relays are cost-effective and highly popular in the market. Besides the OEM equal or exceeding quality flashers like DAMA EP27 (FL27) 5 Pin LED Flasher Relay, HID Concept offers speed adjustable flasher relays like DAMA CF14 (EP35) KT 3 Pin LED Speed Adjustable Flasher Relay where you can choose different blinking speed by turn a knob on the top of the flasher relay. We also have a speed-adjusting flasher relay specifically made for Toyota and Lexus like,  DAMA CF18 (LM449) KT600 8 Pin LED Speed Adjustable Flasher Relay

While the vehicle flasher relay might not receive the same attention as more glamorous automotive safety features, it is a humble yet indispensable part of every vehicle. It ensures that we can effectively communicate our intentions to other drivers on the road, thereby contributing significantly to road safety. As we continue to witness advancements in automotive technology, the role of the flasher relay remains as important as ever, silently working to keep our roads safe for all. So, the next time you use your turn signals or hazard lights, remember the unsung hero, the vehicle flasher relay, quietly working to make our roads safer for everyone.