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Old Jul 12, 2010 | 01:06 PM
  #21  
Reverend Sam's Avatar
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Originally Posted by brobin
LEDs are indeed polarity sensitive. That's the nature (and generally the purpose) of a diode - to pass current in only one direction. The polarity is indicated by the length of the leads. The longer one is the anode or positive lead or in some cases it's indicated by a flat side for the negative or cathode on the base of a round LED. Here's a link to more than you ever wanted to know about LEDs:
http://www.kpsec.freeuk.com/components/led.htm

Yep, but these bulbs are most likely designed so they are not polarity sensitive. They probably have two LEDs in the case and one is wired backwards from the other. That way you can insert it in either direction and it will still work. The look exactly like a regular 194 bulb, except they are LEDs rather than incandescent. Normal 194's aren't polarity sensitive, and there is no marking on the bulb or on the socket to indicate polarity. My guess is that one of the LEDs in my one bulb doesn't work. That's why it started working when I flipped it around. If the assembly was polarity sensitive there would be some kind of marking on it.
 
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Old Jul 12, 2010 | 06:59 PM
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The blue is cool!! I might change them just to get it. Where did you get your LEDs?
 
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Old Jul 12, 2010 | 08:02 PM
  #23  
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Originally Posted by hlgeorge
The blue is cool!! I might change them just to get it. Where did you get your LEDs?
Pep Boys. They are with the specialty bulbs. There are two different bulb sections, one has all of the normal stuff and the other has the silly Star Wars bling lights. They were with the bling lights.

Now I'm starting to wonder if I could change out all of the bulbs to get that color. The climate control and audio lights have that light green tint. I'd like everything to match. Can those lights be changed, too?
 
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Old Jul 12, 2010 | 09:28 PM
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Originally Posted by Reverend Sam
Now I'm starting to wonder if I could change out all of the bulbs to get that color. The climate control and audio lights have that light green tint. I'd like everything to match. Can those lights be changed, too?
Need the neo-wedge style, not sure which size though, I used to have one extra lying around...maybe its in the garage...lemme check.
 
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