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10-06-2018, 07:02 PM,
LED Stop/Tail Light w/Modulator
I'm starting this thread for two reasons:
1. The Led stop/tail lights, (of which I have viewed 100's) are not specific about the useful light,(that being what the guy behind you is going to see)in a format such as"Candlepower". It's almost impossible to compare because of differences in the size and number of SMD's. Of course words such as Brightest and Super Bright are used in descriptions, but that doesn't mean much to me, especially if there isn't a increase in luminosity from Tail light to brake light that will catch the guy who is talking on his cell phone behind you's attention. I bought a "flashing bulb from Alla but there is so little difference between tail and brake, I would not trust it to catch the eye of a driver behind me. JMHO and choice.
I also found a Sylvania Zevo 1157R that looked promising, however no one has one locally (shelves are emmpty)and they also say on the label "For off road use only". Just my luck,eh!
2.There are many modulators, kits and DIY's to be had. After much deliberation, I purchased an M1 programmable. It will operate incandescent and LED,( you might need a 6u 50w load resistor with the LED (?) and will handle up to 8A @ 12vdc.


Who is using LED Stop/Tail lights?
Do you have a modulator also?
What's your set-up?
Do you feel safer?
10-06-2018, 07:38 PM,
RE: LED Stop/Tail Light w/Modulator
Oh, and by the way, I'm not going to spend $200 on a workable system!
I did find and ordered 2 Candlepower 1157 14/50CP incandescent lights from Candlepower. They have a heavier filament and use a little more amperage than standards.
FYI a standard 1157 stop/tail light is 8/32CP. Notice the 4-1 ratio brake to tail light? There's a reason for that ratio and without it (IMO) the driver behind you might not see the switch form tail to brake. A moderator
may be rendered useless if there is no increase in seen light after flashing. Might confuse the driver behind you also. IMHO, there are already to many confused and inattentive drivers on the road and I don't plan on furthering there their delemma.
I like the idea of using LED's because,1. they use less power, and 2. they will activate without hesitation giving the guy behind you an additional 18feet to get stopped. If you watch some of the time-lapsed LED to Incandescent comparisons on YouTube, you can see the difference with your own eyes.
10-11-2018, 01:53 PM,
RE: LED Stop/Tail Light w/Modulator
Well,I received the new 14/50 1157 incandescent and installed.
It's ok for night driving and probably safe for daytime use, but it's still not the brake brightness differential I am seeking.
Any and all suggestions would be welcomed!
01-23-2019, 12:47 PM,
RE: LED Stop/Tail Light w/Modulator
I totally understand your concern with the "For off-road use only" tag, but I after small research I figured that it appears on all of the non bike specific headlights and taillights. The thing is they were never submitted to DOT inspection since they are not designed for a specific model. Although they may still be bright enough to serve the function of your taillight and brake light
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