Appearance & Detailing Interior & Exterior Appearance Modifications

LED brightness recommendation

Old 02-18-2007, 03:03 PM
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Default LED brightness recommendation

I have a set of halo fogs that I was installing but did not realize the relay wasn't wired inline so when I went to test the LED ring on one of them, it blew it out.

It looks pretty easy to solder in a new pair (I'm guessing 5mm but not sure?) but the question I have is about the brightness. I have a set of switchbacks and 194 side markers that are "hyper white" and have a blu-ish tint to them. What kind of brightness am I looking at to match that look with the fog halos?

The turn signal and side markers are already slightly different color so I'm trying to not have three different colors of white led on the front of my car

I tried getting into contact with the place I purchased the fogs from but they said the LEDs are a non-serviceable part and offered no other help.
Old 02-20-2007, 02:53 PM
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Old 02-20-2007, 03:14 PM
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im gonna do mine with 13000mcd ultra blue LEDs... but im not sure if its gonna be bright enough...
Old 02-20-2007, 03:45 PM
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I did 25000 mcd on my halos:

Old 02-20-2007, 03:54 PM
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Thanks guys, I'm looking for white though because that's what's on my car now. I don't want to go too bright and have it be pure white, I need a blue tint to match what's already on the car basically.
Old 02-20-2007, 06:17 PM
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blue is a lot brighter than the red tho, even tho the blue might be rated at a lower MCD there a lot brighter. I have a 300 mcd blue light in my cluster for my high beam lights and it all but blinds you, my green turns are 1500 and there not near as bright as the blue is.
Old 02-20-2007, 06:34 PM
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Originally Posted by lethal93ta
blue is a lot brighter than the red tho, even tho the blue might be rated at a lower MCD there a lot brighter. I have a 300 mcd blue light in my cluster for my high beam lights and it all but blinds you, my green turns are 1500 and there not near as bright as the blue is.
This is true with the blue. Check out my asr and fog switches:

Old 02-21-2007, 08:10 PM
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i have to find my camera right now but i'll take a picture of my 55,000 mcd white led's i used in my truck for dome lights
Old 02-21-2007, 08:19 PM
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found it lol here i don't know if this helps at all they are insanley bright



Old 02-22-2007, 03:18 PM
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ok thanks, so it looks like I'll have to go dimmer than that to get the blue tint effect on them because those look pretty bright white.
Old 02-22-2007, 06:42 PM
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yes they are white little blueish tint. but i'm not shure any white led has a blueish tint to it i could be wrong.
Old 02-23-2007, 04:53 PM
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Originally Posted by LILWS6
yes they are white little blueish tint. but i'm not shure any white led has a blueish tint to it i could be wrong.


This is a very blurry picture but you can see what I mean. The lights don't look this blue in person but you can see they definitely contrast a normal "white" bulb. Those are the original fogs before any kind of upgrades for a baseline.

The leds used in that pic are hyper white but not sure of the mcd level.

The best way I can describe the color is that it is a slightly more blue-ish than a H7 bulb.


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