LED Corner Lights Going Crazy - Audio & Electronics Forum

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LED Corner Lights Going Crazy
Friday, March 06, 2009 8:24 PM
I tried doing some research but could not find an answer as to what size resistor to use in order to keep the led bulbs from tripping the blown bulb sensor. Any help would be greatly appreciated!

Re: LED Corner Lights Going Crazy
Friday, March 06, 2009 8:38 PM
If by corner lights you mean 194's, they won't trip the blown bulb sensor.

I would get a flasher (EP-27) instead of the load equalizers (6ohm-50w BTW)

http://autolumination.com/equalizers.htm









Re: LED Corner Lights Going Crazy
Friday, March 06, 2009 8:54 PM
Not 194s... I have a 2001 Cavi... turn signals/corner lights are one bulb 3157 style led bulbs are what I have. A buddy and I tried playing around with the numbers but either we're doing the math wrong or have the wrong formula. The LED bulbs were reading 1.2M ohms of resistance and I believe the factory bulbs read 2 ohms. I haven't tested out the current draw yet but from my understanding of resistance, if I put a 2ohm resistor in parallel with the corner light, it should drop the resistance in the curcuit to ~2ohms but that didn't seem to work.
Re: LED Corner Lights Going Crazy
Friday, March 06, 2009 10:16 PM
Conventional resistors won't work. It doesn't place enough of a load on the line to keep the hyperflashing from occurring.

Your 4 options are:

1) Get a flasher designed for LED's
2) Get load resistors which are designed for bulb-out suppression (6 ohm, 50w load resistors)
3) Wire a standard bulb in parallel with the LED bulb and have it tucked away somewhere
4) Go back to standard bulbs.

I'm using option 2 and have had no problems in the 3 years of running LED bulbs up front.









Re: LED Corner Lights Going Crazy
Saturday, March 07, 2009 10:19 AM
Yeah...I was starting to lean towards option three but was trying to avoid that. Thanks for the help, I'll probably pick up some load resistors tonight.
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