Brake light modulator - which one? - Wrist Twisters
 
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post #1 of 9 Old 04-09-2008, 05:39 PM Thread Starter
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Question Brake light modulator - which one?

I've read through all the threads on brake light modualtors. It looks like most people prefer the Kisan one. I see they have a splice in one for the 919, does anyone know if they have the replacement bulb type for the 919?

Has anyone tried this one from signal dynamics?
http://66.252.233.21/products/Modules/xp.asp

What about the ones from visi-stop or vizi-tec?
Any opinions?

Sorry for all the questions and thanks!

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post #2 of 9 Old 04-09-2008, 05:56 PM
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I don't like to link other motorcycle forums but will make a exception just this once.

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post #3 of 9 Old 04-09-2008, 06:51 PM Thread Starter
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Thanks for the link.

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post #4 of 9 Old 04-11-2008, 11:00 PM
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Actually, after seeing a brake light on a Sherrif's BMW that flashed for 1/2 second then stayed on steady, I have been looking for something like it without much luck until I found a schematic for a circuit that does just that, with a modification for LED lights as well. I'll be picking up components and breadbording it this weekend, but will need some information on the current draw of Clear Alternatives brake lights to properly configure the circuit for them, so if anyone out there could measure it and get the information to me I'd appreciate it.
I'll keep you posted.

Rob

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post #5 of 9 Old 04-12-2008, 04:40 AM Thread Starter
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I decided to buy this one: http://66.252.233.21/products/Modules/xp.asp
Now, I just have to figure out which wire to splice into.
I'll try to post pics/vids when I get it and install it.

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post #6 of 9 Old 04-16-2008, 07:24 PM
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I bought the same Backoff XP and added a license frame with LEDs. It may be a bit dorky but no doubt makes me more noticable.
My son keeps on telling me that my bike wouldn't be dorky at all if it weren't owned by a senior citizen. I have no idea what he means.

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post #7 of 9 Old 04-17-2008, 04:04 AM Thread Starter
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Quote:
Originally Posted by Mark919 View Post
I bought the same Backoff XP and added a license frame with LEDs. It may be a bit dorky but no doubt makes me more noticable.
My son keeps on telling me that my bike wouldn't be dorky at all if it weren't owned by a senior citizen. I have no idea what he means.

Mark

I haven't recieved mine yet but would you mind telling me which wire you spliced into? I hope there will be some specific instructions.
Thanks.

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post #8 of 9 Old 04-18-2008, 12:22 PM
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Hi Garyb900,
I found that the wiring for the BackOff XP was very straight forward. In my case I did add LED lights in a license plate frame. Those LEDs are the lights that I set to flash. I did that just to provide a bit more light (but that decision scored real high on the “dork rating” even with my daughter.)

The 919 has two dual filament brake lights; three wires in a chain. Green is ground; Green/Yellow powers the brake light; Brown powers the running light. I looked on the wiring diagram last night to confirm that. If you are going to flash the existing lights you just have to cut and splice into the Green/yellow wire before the first of the two bulbs. You can check that this is the correct wire since after you cut it you will loose your brake lights. But after you cut it the running lights should still work. Then all you have to do is connect the proper BackOff wires to each end of the cut wire and tie the BackOff (black I think) in to ground. Instructions that come with the BackOff show which of those wires are used.

Since I had to do other wiring for the LED lights I had to take the bike’s tail section apart. The patience and care to do that is actually the only hard part at all with the job. I did solder all connections and that was easy with the tail apart. You may not need to take the tail apart at all to do your job. It depends on your skill at working in tight places… - Mine is poor.

Good Luck,
Mark

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post #9 of 9 Old 04-18-2008, 03:05 PM Thread Starter
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Hey thanks Mark. I appreciate the help.

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