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Im going to the electrical store right now in like 5 minutes. Which L.e.d 's do I need to replace all my stock bulbs in my center console to L.e.d 's? Is there a certain size or power rating or number or something?

 
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The LED's are typically around 3V each, I've been able to use both 5mm and 3mm blue or white for most of the ones I've done. I tend to use the larger 5mm ones where there are incandescent bulbs (like the ones that illuminate the rotary controls) and the 3mm for the lights that only turn on when the buttons are pushed, like on the A/C, recirc, and defrost buttons.

 
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Ok, i bought the led's, and my friend said I need a micro resistor??? They dont have any around here. Is there any other possible way to make them work?