I haven't messed with the bulbs yet, aside from the headlights. Being that I wont be using the neon taillights in the new car, I probably wont touch them, aside from fixing the wiring. One of the problems with LED taillights is that with proper wiring, they aren't nearly as bright. The brightest 360 degree LED bulb I can find puts out 230 lumens, at 14 volts. For comparison, with the 15% voltage drop, the stocks put out about 200 lumens. At 14 volts, they put out 410 lumens. Thats a big deal, especially when we get death fog here. Since my job operates rain, shine, or death fog, I have to drive in it, so I want to make sure the brake lights are as bright as they legally can be. In fact, I now use 3357 instead of 3157 bulbs, they consume 1 more watt, but are high efficacy bulbs, that put out 510 lumens.
I will definitely do the dash lights though, as I keep mine dim anyways, and will probably swap in red LED's, to keep from jacking up my night vision as much.
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