Modern 3x blinker relay courtesy lane change flasher mod on Scion TC

aftermarket replacement blinker relay

Blink 3 times

This relay blinks 3x when you tap the turn signal stalk. You can retrofit that into a first gen 2005-2010 Scion TC. All you have to do is swap the relay out.
 

 

 
Tap the turn signal stalk and it blinks three times! Nice little OEM-ish mod for only $12.  On the 2005-2010 Scion tC the flasher relay is located behind the driver knee panel, seen below.
 
turn signal flasher relay location 2005-2010 scion tc
turn signal flasher relay location 2005-2010 scion tc
 
Here’s the other flasher relay variant that has a blink speed adjuster, in addition to the 3x blink feature. Use the same link provided here.
Amazon blinker flasher relay with adjustable blink rate knob
Amazon blinker flasher relay with adjustable blink rate knob
Here’s the OEM / Stock flasher relay that blinks once when you tap the signal stalk
OEM Toyota flasher blinker relay 81980-46010
OEM Toyota flasher blinker relay 81980-46010

Why flash 3x during lane changes?

Older cars have a certain charm—simple mechanics, fewer computers, and easy-to-mod electronics. One underrated upgrade that fits perfectly into that philosophy is a 3x blinker flasher relay, also known as a lane-change flasher. It’s a small mod that adds modern convenience without changing the character of the car.

A 3x flasher relay solves this by automatically flashing the turn signal three times with a light tap of the stalk, then shutting itself off. It’s intuitive, safer, and just feels right once you get used to it.  You pull the factory relay, plug in the 3x version, and you’re done in minutes. It’s one of the easiest “why didn’t this come from the factory?” mods you can do.  It adds a modern feature without adding complexity. No apps, no modules, no software updates. Just smart electronics doing a simple job well. A 3x blinker flasher relay is a functional upgrade that improves daily driving without sacrificing simplicity.


Other notes

This flasher relay doesn’t fix hyper flash. If you have a fast blink LED issue, consider CANBUS error free bulbs or load resistors. Here’s a few links to the bulbs I use. I don’t have ANY fast blink or flickering issues:

Diode Dynamics SmarTap™ CF18 – Programmable Flasher relay 

A direct replacement for all CF18 (LM449) turn signal flashers, the SmartTapfixes hyperblinking and adds additional features like one-touch signaling and unique hazard functions. Programming each mode is simple with the help of the included programming guide and the use of existing vehicle controls.


 
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