Quote:
Originally Posted by maui86
I used to have the USDM red Visions set up as turn signals, then modified the Diode Dynamics Tail As Turn install to have them operate as secondary brake lights. After seeing how well the Amber Ultinons performed in the front turn signal I figured I would try the Red Ultinons for my "new" brake lights
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I read a whole bunch of papers about lights and safety statistics, including LED vs. incandescent, brightness, color, and other tricks. One thing that definitely stood out was that amber signal lamps are better at preventing accidents than red signal lamps.
Before I found the X-treme Ultinon amber 7440, I used to run the Red Vision 7440 as rear signals, but never really liked the idea of running red signal bulbs, even though they're allowed in the U.S unlike in almost all other countries.
I can understand the benefit of doubling up the brake lights, though. Too bad there're no red/amber switchbacks....