2018 IS 300 (Aka 200t) LED turn signals!
12-11-18 | 08:17 AM
#79
Thread Starter
Pole Position
Joined: Apr 2018
Posts: 2,627
Likes: 459
From: GA
My 2016 is350 didn't have a problem using LEDs. Had to do it in pairs though. 2 leds on front and no hyperblink, if I installed 3 it hyperblinks. All 4 corners and no hyperblink. Got mine on ebay for $12.49/pair. https://www.ebay.com/itm/2-No-Resist...72.m2749.l2649
12-11-18 | 08:49 AM
#80
Driver School Candidate
Joined: Nov 2018
Posts: 35
Likes: 3
From: CA
It really should just be simple circuitry. No more flasher relay on the IS and just using electronic control modules. original bulb (7440) pulls 25w. Bulbs I ordered are 21w, who knows maybe that's the cutoff. So getting a 20w led bulb might be too low and will get hyperblink. If I take one out, I will get hyperblink, I like it, means it works if one bulb is out.
For some other bulbs that says resistors built in and no hyperflash. I don't know what led chips they are using and no watts info given. Even if they do give the wattage, I still don't know what resistor calculation they are doing.
At the end of the day, just get an led bulb that equals close to the normal 25w bulb.
For some other bulbs that says resistors built in and no hyperflash. I don't know what led chips they are using and no watts info given. Even if they do give the wattage, I still don't know what resistor calculation they are doing.
At the end of the day, just get an led bulb that equals close to the normal 25w bulb.
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