LED Hyperblink Modules

So, I replaced pretty much every halogen/incandescent bulb on the car with their LED equivalent, and as expected the turn signal module went into “hyperblink” mode or a double-rate blinking to indicate that the bulb is out (caused by the lower power draw of the LED bulbs).

I purchased my bulbs from Subispeed, and opted for the convenient option of simply adding their “hyperblink” module at checkout. The module arrived, was a major pain to install, but did the job… kinda.

Stt…stt…Stuttering Stanley

While the module did decrease the blink rate back to a normal interval, the first blink when you engage the turn signals or hazards was significantly longer than all of the subsequent blinks. I had read about this but figured it would be tolerable, but for me, it wasn’t. The first blink would sometimes last as long as 2 seconds (often enough time for me to complete a lane change without the second blink ever firing).

This seems to be consistent from all of the retailers as you’ll find this piece of feedback in every comment section where it’s sold. You can identify this by the “For LED” text and part number on the module itself.

hyperblink-module-1

So, literally the same night, I took apart both units trying to figure out what was going on. I recall with my old Integra that it was simply replacing a resistor on the module itself, but no such luck with these units. Here’s the two side by side:

hyperblink-module-2hyperblink-module-3hyperblink-module-4

So after a lot of research, I found an article with a similar flasher (also made by Denso) for a Lexus SC 430. It involved bypassing the resistor circuit all together with an adjustable pot.

Enter the Tap Turn Module to Save the Day

Not wanting to put the effort into cutting the cover, finding the correct pot and soldering it on the board, I decided to go with the Tap Turn module from AutoWindow.com. Here’s why:

My wife’s VW Jetta has a feature that when you tap (engage the turn signal half way and release) it automatically blinks 4 times and then turns off. Perfect for lane changing. I thought it was silly at first, but I’ve grown to love the feature since.

All of the other features of the TapTurn module were a little odd… I don’t really use any of them, but you might find them useful. It took me about 3 days of driving with the stupid 2-second lag time of the crap module to decide to dump the extra $80 + shipping to get the TapTurn module.

It took about 3 weeks to get here from Canada, easy install, and I couldn’t be more pleased with it. One odd thing was that it came with the parking lights thing enabled by default (all turn signals stay engaged after you turn off your car for about a minute). To disable this you have to turn off the car, engage the left signal, and start the car a couple times to disable that feature. Other than that, super simple.

Installation

I was able to get the turn signal module out without taking off the side panel, but in doing so I damaged the clip that holds it in place. It was still usable, but I’d recommend doing it the way the video describes.

Conclusion

For me, the lag in the 81980-50030 hyperblink module was annoying enough to justify the extra cost. Here’s a link to purchase if you’re in the same boat: http://www.autowindow.com/choose-module

And for a posterity, here’s a video with all of the features in action:

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