I've done the led conversion, and it helps tremendously. For the front, I used the high power 37mm, 6 led, festoon bulb that can be found here: Product Listing - CAR
As a warning, don't use the bulb from yourledshop.com in the front. It doesn't contain the proper circuitry to completely shut off. Since the interior light is controlled by the ECU, there is a slight amount of bleed-over voltage, and it glows all the time. They are a good company, and I use their bulbs in the license plate lights(same bulb as interior). The one I linked to above doesn't have that problem.
I also installed 4 LED's in the rear per the link here: HowTo: Ultimate Smart Trunk Light DIY (lots of pics) - smart USA insider
Not only do I have excellent light in the rear, but it also adds a little to the front.
I've done the led conversion, and it helps tremendously. For the front, I used the high power 37mm, 6 led, festoon bulb that can be found here: Product Listing - CAR
As a warning, don't use the bulb from yourledshop.com in the front. It doesn't contain the proper circuitry to completely shut off. Since the interior light is controlled by the ECU, there is a slight amount of bleed-over voltage, and it glows all the time. They are a good company, and I use their bulbs in the license plate lights(same bulb as interior). The one I linked to above doesn't have that problem.
I also installed 4 LED's in the rear per the link here: HowTo: Ultimate Smart Trunk Light DIY (lots of pics) - smart USA insider
Not only do I have excellent light in the rear, but it also adds a little to the front.
Hope this helps
that is some good information!!! Now I have a project for the upcoming weekend!!!
I've done the led conversion, and it helps tremendously. For the front, I used the high power 37mm, 6 led, festoon bulb that can be found here: Product Listing - CAR
I'm curious whether you used the cool white or the warm white, and why?
Thanks.
If you're not familiar with the differences, consider cool white to be office-building fluorescent and warm white to be living room incandescent. There's more blue in the cool white offerings since they need less phosphor material to generate the red/yellow spectrum from the blue LEDs underneath; warm whites need more material and end up producing less overall light but light that many consider "more pleasant."
I have neither in my car, only experience with white LEDs and with too-high color temperatures for home fluorescents.
Thanks John, that pretty well answers my question. Especially that the warm white produces less light. Based on your description, I'm sure I'd prefer the warm white. But, might opt for some ambient footwell lighting instead, for roughly the same dollars.
Re: Home fluorescents ... they're sold in warm white too now. I like them, and the economic/environmental benefits go without saying.
I initially got the cold white fluorescents for my laundry room and - after much post-install squinting - was quickly back at the hardware store buying warm whites.
As for warm white LEDs putting out less light, keep in mind that the amount of light is controlled more by the design of the driver electronics (the measured 72mA is only a portion of what the LEDs can take) than by the LEDs themselves. One can also purchase warm whites with greater efficiency than cold whites, usually at a slight upcharge from the LED manufacturer. Just because they can put out less light doesn't mean they do. But for the same drive and same blue LED, the larger amount of phosphor will produce less light.
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