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Old 06-21-2005, 03:39 AM   #1
Scooby Newbie
Member#: 69160
Join Date: Aug 2004
Default Red LEDs behind gauge pod...

I already did the mod to change the gauge pod to red by scratching off the green film and using red bulb covers, but i want it to be brighter, so I'm going to use LEDs. I want them to turn on when I turn on the headlights, so how should I go about wiring them? I was thinking about wiring them up to the cruise control switch, which lights up at the same time as the gauge pod. Are there different voltage LEDs? Which should I use? Has anyone done this that can offer some advise? Should I keep the existing lights in there?
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Old 06-26-2005, 09:06 PM   #2
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Member#: 69160
Join Date: Aug 2004

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Old 06-26-2005, 10:52 PM   #3
Scooby Newbie
Member#: 54970
Join Date: Feb 2004
Chapter/Region: TXIC
Location: Webster, TX
2014 WRX Hatch


what do you mean? you want to add leds on top of your existing bulbs? If you just want to replace them then go to autolumination.com and look up the #74 leds in bright red. they are expensive though, $2.50 a piece and you need about 15 or so cause some are busted when you get them... please send me the instructions on scraping the film off I have blue leds and they come out aqua but my a/c controls are bright blue...
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Old 06-27-2005, 02:09 AM   #4
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Member#: 69160
Join Date: Aug 2004

What I was trying to do is take a bunch of LEDs that I picked up at radio shack and backlight the gauges but I don't know much about wiring. Correct me if I'm wrong but it looks like the #74 leds that you are talking about replace the bulbs that are already in the gauge cluster. The way that the existing lights illuminate the pod makes some spots darker and some brighter. This makes me not want to simply replace the existing lights w/ leds- I want to add more lighting so the illumination is equal.

I was thinking of getting power from the foglight switch, which lights up when my headlights go on. I used a voltmeter today and it's getting about 11.5-12V. The LEDs that I bought from Radio Shack are 5mm 2.6V 28mA 10mcd. I think I need a resistor or something to take the ~12V down to 2.6V. Can anyone tell me what to do?!?!

As for instructions, just search and I'm sure you will find it.
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Old 06-28-2005, 12:23 PM   #5
Scooby Specialist
Member#: 68274
Join Date: Aug 2004
Chapter/Region: NESIC
Location: NJ
2013 FJ Cruiser


i am too on this mission to color corrdinate
go one gauge blue...looking for the blue condoms for the 05 hvac
and wondring how to get rid of the orange lines on the knobs..
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Old 06-29-2005, 02:12 PM   #6
Texas Red Rex
Scooby Newbie
Member#: 88655
Join Date: Jun 2005
Location: Austin, TX
04 WRX
SR Red

Default LED Downfalls

If you want to install LED in you gauges first you would need to install resistors to bring down the voltage. Then you need to correctly connect the positive and negative terminals or they wont worl. Finally LED light is directional forward so The Illumination would be brighter and darker in diferent areas. Also 10 mcd is the strength of the light and that is pretty dark ... personally LED's are too much trouble for what you are trying to do. Instead of changing the lights find some lighting gells used for thearter lights and slide them behind the gauges the light will be more consistant than the light covers and you have a greater range of color options. The gells coat only $6 on the internet.
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