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LED ARE Not Bright Help!

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Old Nov 14, 2004 | 02:59 PM
  #1  
JetBlackMax83's Avatar
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LED ARE Not Bright Help!

k did my gauges with LEDs 10,000mcd ultra bright bought them at a local electronics store on long island called amp electronics guys was very nice but are there better qaulity LED's and crappy qaulity im new to doing LED's so im not sure if a LED is just a LED or if there are better makes and brands i used 470hms resistors and the needles are not even all the way lite up!? and the gauge faces (SE White) and lightly lite up to im puzzled any body can help me out here

here are some pics there dissappointing i know








Old Nov 14, 2004 | 03:02 PM
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are you sure the brightness dial adjuster (under the gauge cluster, next to the steering column) is all the way up...?? so that all the interior lights are lite up?
Old Nov 14, 2004 | 03:16 PM
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yes the dial is all the way up
Old Nov 14, 2004 | 03:18 PM
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Maybe you would like to pay me to do your gauge cluster. It will be bright.
Old Nov 14, 2004 | 03:26 PM
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dude im not paying you to do my gauge cluster but thanks any but if your not gunna help me out with some answers stop asking
Old Nov 14, 2004 | 03:42 PM
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Wow man, that IS really dull...

I've had great experience with superbrightleds.com, I bought their blue 4-LED per bulb 194s and I think they look sweet, nice and bright! I did a simple plug-and-play for my 96 though, I don't know if you'll have the same results with all the crap you have to do with your 98...

Hopefully you didn't close everything back up on the gauge because it's a b!tch to get everything out again, but you probably knew that...
Old Nov 14, 2004 | 03:53 PM
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I probably do know whats the problem. Well I am guessing but you not very specific which leds u use and how u mounted them.
Old Nov 14, 2004 | 03:55 PM
  #8  
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Do you think the resistor is too big. For mine I calculated 390 ohm resistors, but usually you can vary quite abit without seeing too much of a difference. Are the gauges lit at all, I can't tell from the pics. It could be possible that you didn't break the barrier voltage of the LEDs (meaning the resistance is too high and the LEDs didn't light up)
Old Nov 14, 2004 | 05:54 PM
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Try sanding the led's on all sides to get maximum brightness. When using the leds as replacement bulbs, you're supposed to sand them to allow light to emit from all sides instead of only the top tip. If this solves your problem, you can save yourself some money on getting new bulbs
Old Nov 14, 2004 | 06:05 PM
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idk i used 470ohms and i trying to point them at the middle of the needle the best i possibly could but it seems like its jut not a strong enough to light up the whole needle not to mention the gauge faces cause like the end of my needles arent even bright the only part of my needles that are simi bright are the beginning part and the faces of the gauges and very very dimmly lite up what is the standard veiwing angle for LED lights cause i just bought some new LED's off of ebay

http://cgi.ebay.com/ws/eBayISAPI.dll...e=STRK:MEWN:IT

guy had great feedback so i bought 15 LED's from him
Old Nov 14, 2004 | 09:20 PM
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The ohms on the resistor is fine.

Did you test the LED's with the resistor to see how bright they were before you put them in ? If they are 10,000 mcd they should be ridiculously bright... much brighter than in your picture.

These pictured here are 4,000 mcd white, yours should be tons brighter.

Old Nov 14, 2004 | 09:52 PM
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something is definitly not wired correctly...

do your gauges use 194 bulbs? if they do go to: www.superbrightleds.com and buy 5 of the 194 bulbs, each will have 6mini LEDS(the 9-led one will not fit) on them and will do the job perfect. My cluster resembles the new VWs with that nice dark blue look. If you dont have those they also sell the mini gauge cluster bulbs too that just replace the stock mini bulbs.

Ant
Old Nov 14, 2004 | 10:00 PM
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Originally Posted by azndude
Try sanding the led's on all sides to get maximum brightness. When using the leds as replacement bulbs, you're supposed to sand them to allow light to emit from all sides instead of only the top tip. If this solves your problem, you can save yourself some money on getting new bulbs

ure saying his leds are super dull because he didnt sand em down? leds will emit more light than that if u dont sand em...i may not know the solution to this problem, but i know THAT isnt it at all.....
Old Nov 15, 2004 | 12:45 AM
  #14  
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Originally Posted by SonicDust187
Maybe you would like to pay me to do your gauge cluster. It will be bright.
o.O How much do you charge O.o
Old Nov 15, 2004 | 04:25 AM
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idk mybe there just crappy LED's is there such thing as a crappy LED?? i ordered thoughs ones from ebay ill put them in and see how they work out ill snap some pics if they come out good
Old Nov 15, 2004 | 04:56 AM
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brighter leds usually have a very narrow viewing angle, like 15 degrees or less. that might be your problem for the gauges, as far as the needles i have no idea...sorry.
Old Nov 15, 2004 | 05:40 AM
  #17  
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Originally Posted by TJ_Max
ure saying his leds are super dull because he didnt sand em down? leds will emit more light than that if u dont sand em...i may not know the solution to this problem, but i know THAT isnt it at all.....

your sort of right but wrong .. sanding them down will make the light emit in several directions.. werhe as non sanded they are bright from a direct overhead view of the diode...
Old Nov 15, 2004 | 09:02 AM
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220 ohms is probbaly enough that is what ia m using for all thw switches i am using the lower ohms and less the watt ratting liek say 1/4 versus 1/2 watt the 1/4 220 will be brighteri tested a bunch of ressister tell i found out.

so check teh watt rating
Old Nov 15, 2004 | 12:30 PM
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Most likely the LED is a bust. Get the ones from a reputable ebayer or check out the group deal in my sig. I use 4-5k LEDs and they give off a nice white. I just helped out a fellow forumer redo his whole interior and it came out bangin'. Maybe I can take a look at them when I'm free.
Old Nov 15, 2004 | 01:29 PM
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Originally Posted by SonicDust187
Maybe you would like to pay me to do your gauge cluster. It will be bright.

you should post a picture on the thread so that everyone can see it, itll probalby attract more people. im defiantely interested
Old Nov 15, 2004 | 01:37 PM
  #21  
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I dont have a digi cam.
Old Nov 15, 2004 | 02:14 PM
  #22  
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Originally Posted by SonicDust187
I dont have a digi cam.

....borrow one....
Old Nov 16, 2004 | 08:59 AM
  #23  
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i used the 194's from superbrightleds.com and they work fine, the only problem i have is that the beam is too focused, i need to sand them down
Old Nov 16, 2004 | 09:21 AM
  #24  
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which 194 are you using because some can spread out light pretty well.


Originally Posted by chrish09
i used the 194's from superbrightleds.com and they work fine, the only problem i have is that the beam is too focused, i need to sand them down
Old Nov 16, 2004 | 09:25 AM
  #25  
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buy 194 from superbrightleds.com

it'll save you a ton of hassle....

oh and 470 ohms sounds about right to drop voltage down...

I'm guessing you have a led wired backwards or something...
Old Nov 24, 2004 | 10:09 AM
  #26  
98blkonblk
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Hello everyone


I am new to this site, Please rate my car and lemme know what you think

http://members.cardomain.com/ledmaxi
Old Nov 24, 2004 | 11:37 AM
  #27  
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Originally Posted by 98blkonblk
Hello everyone


I am new to this site, Please rate my car and lemme know what you think

http://members.cardomain.com/ledmaxi
mods please ban this fuxor

i'm tired of reading the same god damn post in every thread. your car is gay anyways homo
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