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Old 05-10-2011, 09:06 AM   #8
mrlmd1
Senior Member
 
Join Date: Jan 2008
Location: Crawfordville, Florida
Posts: 2,853
Re: Modulating Rear Brake Light

Most of these flash rapidly 4 or 5 times then go steady as long as the brakelight is energized, then reset again when you release the brakes to do it again next time. The flashing is meant as an attention-getter for someone behind you, like if you were pumping the brakes to manually flash the light.
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