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#693913 07/16/03 04:00 AM
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nelgee Offline OP
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has anyone else had a problem with leds going out in the switchs or did i just get a bad batch. i've replaced the leds in all of the passenger switches at least 4 times. they last about 2 days and then i have to replace them again. good thing i got a 100 off ebay.

#693914 07/16/03 05:06 AM
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It almost sounds as if you are running them without enough resistance. Look for a data sheet for them if you know make/model. I know that the proper formula for the resistance is on the site somewhere. It looks something like:

R = V - Vf * 1000 / mA

R = Needed Resistance
V = Voltage (car)
Vf = Forward Voltage of LED
mA = LED's current draw

I cant remember if that is the correct formula, so dont use it unless you can double check it with someone else.


· Jon Miconi · Coming Soon! · 01 Cougar · 98 V70R
#693915 07/16/03 06:33 AM
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You need 3.6v and 5v lcds, and just solder them into the old lcd locations instead of rewiring everything. In the driver's window switch with the red lcd facing down it goes looking left to right left(long) right(short). All other switches, 5v works well... resistor side (short) ground side (long). Very easy to do--use a fine tip soldering gun, and I do reccomend an assortment of needlenose pliers. I bit the bullet and picked up radio shack brand, but they've worked now for a month with no issues.

Now if only I could get my girlfriend to quit kicking the shifter!


I think, I tinker, I play around, I build. '99 Contour W Ztc, ATX, HID Fog, mesh, A6, B LED, Big 3, Alpine cda-9827, Memphis lvs12 1200w, Alpine 1241, 4xInf K 6x8, Xfire 400/4, 7.2 LCD, glv box "xbox jack" mod, interior horn alarm mod
#693916 07/16/03 06:35 AM
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duh... I'm sorry, instead of the red lcd being down it's with the red lcd to the right, then after switching sides, the green lcd to the left


I think, I tinker, I play around, I build. '99 Contour W Ztc, ATX, HID Fog, mesh, A6, B LED, Big 3, Alpine cda-9827, Memphis lvs12 1200w, Alpine 1241, 4xInf K 6x8, Xfire 400/4, 7.2 LCD, glv box "xbox jack" mod, interior horn alarm mod
#693917 07/17/03 02:58 AM
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nelgee Offline OP
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hmm... i used the stock resistors 1st of course. leds went out twice. then replaced them w/ 1/4w 300 or 330 ohm from radioshack. and still had to replace leds 2 more times. does it matter which way the resistors goes?

#693918 07/17/03 08:53 PM
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Its none of that.......I got the 100 off of ebay too,and am having the same problem.They just go out all the time.I got tired of pulling everything apart only to have the other one go out the next day.Its a bunch of bunk LEDs.We got what we paid for.I went ahead and bought some good ones about a month ago and havent had one go out yet.
The ebay ones are good for something thats not going t be lit up alot.Like a flashing alrm light or the light on your alrm remote etc.


I AM WE TODD IT I AM SOFA KING WE TODD IT
#693919 07/17/03 09:46 PM
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nelgee Offline OP
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well i guess i'm glad i'm not the only one that bought the worlds crappyest leds. sorry to hear that you bought crap also but at least i know what's the problem. thanx. anyone know where i can buys some good leds? dont feel like paying $3 ea. from r.s.


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