February 11th, 2010, 09:52 PM | #1 |
ninjette.org newbie
Name: Alex
Location: Idaho
Join Date: Jan 2010 Motorcycle(s): 09 250R Posts: 6
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What resistor should I get for my LED's?
I am currently installing the Sportisi undertail kit, and for the LED turn signals I need a resistor, anyone know what OHM's it should be or anything?
Thanks in advance for the help. |
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February 11th, 2010, 10:02 PM | #2 |
self wrencher
Name: john
Location: houston
Join Date: Dec 2008 Motorcycle(s): 08 250r and 07 600r Posts: A lot.
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Elec flasher will solve the prob
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February 11th, 2010, 10:04 PM | #3 |
ninjette.org newbie
Name: Alex
Location: Idaho
Join Date: Jan 2010 Motorcycle(s): 09 250R Posts: 6
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Elec flasher?
Sorry I don't know much about electronics, just basics. I had no idea that a resistor was needed until Matt from Sportisi told me. . . |
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February 11th, 2010, 10:07 PM | #4 |
ninjette.org certified postwhore
Name: Rick
Location: Alexandria, Louisiana
Join Date: Jan 2009 Motorcycle(s): 05 Blue Ninja 250 Posts: Too much.
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Send an email to Matt, he should be able to reccomend the correct resistor.
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February 11th, 2010, 10:13 PM | #5 |
ninjette.org newbie
Name: Alex
Location: Idaho
Join Date: Jan 2010 Motorcycle(s): 09 250R Posts: 6
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Yeah I did that, he does not know himself what OHM it should be or anything. . .
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February 11th, 2010, 10:20 PM | #6 |
ninjette.org certified postwhore
Name: Rick
Location: Alexandria, Louisiana
Join Date: Jan 2009 Motorcycle(s): 05 Blue Ninja 250 Posts: Too much.
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Onother good source would be one of our members - ninja250. He is an electronics genious. Very nice guy. Give him some time to respond as he has a few projects he is doing and lots of people askinf for advice.
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February 11th, 2010, 10:25 PM | #7 |
You are sleeping
Name: Casey
Location: LMFAO!!!
Join Date: Nov 2009 Motorcycle(s): 2 Posts: A lot.
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If you need a resistor for a single regular 12v LED, start about 470ohms.
You can adjust brightness by going down in value for brighter and up in value for dimmer. You'll likely end up going lower. If you go too low in value, you will fry it. So be careful. I have no idea if this applies to motorcycle LED tail lights or not. This would just apply to a regular LED plugged into a 12 volt supply. So in essence, you should be safe plugging it in with a 470ohm resistor for sure. Unless it's more than one LED and draws more load than 20mah or something like a regular LED does. What is the current rating of the LED's and how many of them are there? This will give us the current load requirement, for which you can set a resistance since you know you'll be running 12v.
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February 11th, 2010, 10:46 PM | #8 |
ninjette.org newbie
Name: Alex
Location: Idaho
Join Date: Jan 2010 Motorcycle(s): 09 250R Posts: 6
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I am not sure what you mean by current rating of the LED's. But there are 4 per signal.
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February 12th, 2010, 06:48 AM | #9 |
self wrencher
Name: john
Location: houston
Join Date: Dec 2008 Motorcycle(s): 08 250r and 07 600r Posts: A lot.
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What he meant was run to auto store and by a two prong elec flasher
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February 12th, 2010, 07:51 AM | #10 | |
ninjette.org sage
Name: Jon
Location: Usa
Join Date: Jan 2010 Motorcycle(s): magHitVE Posts: 649
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Quote:
It would be way simpler to find an electronic flasher relay. The one you need has 2 leads, so I recommend you go to the Napa and pick up a 2 lead electronic flasher relay, instead of adding resisor in all 4 corner of the bike and having to cut all 4 turn signal wires. If you really want to add the resistors, then you must provide us with the current rating, usually displayed in (mA) (milliamps) or you might also see it in amps (A) this info is probably on the packaging or maybe not at all... GL Once this info has been provided we can then calculate the proper value of the resistor. |
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February 12th, 2010, 09:09 AM | #11 | |
IC2(SW)
Name: Kerry
Location: Pensacola
Join Date: Nov 2008 Motorcycle(s): . Posts: A lot.
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Quote:
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February 12th, 2010, 06:33 PM | #12 |
ninjette.org member
Name: Kevin
Location: MN Metro
Join Date: Feb 2010 Motorcycle(s): '94 Vulcan 1500, '06 Katana 600, '08 FZ1 Posts: 133
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If you're not doing LED's in the front your stock flasher might be fine. If not, get an electronic LED flasher. If adding load resistors you'd only need them in the front or the back, not all 4, as the wire is the same. I highly recommend NOT adding the resistors as they get fairly hot and the LED flasher shouldn't cost much more than the resistors, and a lot easier to install.
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February 12th, 2010, 09:00 PM | #13 | |
You are sleeping
Name: Casey
Location: LMFAO!!!
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Quote:
1/4 watt resistors from radio shack won't hang with a 12v, 10a system (120w) and LED's drawing an amp or two.
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February 12th, 2010, 11:32 PM | #14 |
ninjette.org member
Name: Kevin
Location: MN Metro
Join Date: Feb 2010 Motorcycle(s): '94 Vulcan 1500, '06 Katana 600, '08 FZ1 Posts: 133
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Sure, a 10 ohm 10w would work fine but you still must mount it where it can get air and not touch other wires, I'm just saying that an LED flasher is the best way to solve "no-flash" syndrome.
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February 18th, 2010, 12:25 PM | #15 |
ninjette.org sage
Name: aj
Location: New York / PA
Join Date: Jul 2009 Motorcycle(s): Red 09 Ninja 250r aka Sheila (RIP), Red '10 Ninja 250r aka Sasha (Sold), White '13 Ninja 300 (To be Purchased) Posts: 855
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Hmmm... from what i've read... and have learned, get an electronic flasher bc resistors are not always the best path, also if you plan on installing LED's for the front signals as well, youll need to install a diode under the dash, theres a thread somewhere on how to do that. Resistors can get kinda hot from what I know so I wouldnt go that route. Ill brb with the thread on resistors diodes and relays.
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February 18th, 2010, 12:49 PM | #16 |
ninjette.org sage
Name: aj
Location: New York / PA
Join Date: Jul 2009 Motorcycle(s): Red 09 Ninja 250r aka Sheila (RIP), Red '10 Ninja 250r aka Sasha (Sold), White '13 Ninja 300 (To be Purchased) Posts: 855
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Heres some talk of resistors and relays
http://www.ninjette.org/forums/showt...=flasher+relay Some more embedded in turn signal talk http://www.ninjette.org/forums/showt...ight=resistors heres one on the diode installation if you ever need it http://www.ninjette.org/forums/showthread.php?t=24500 I'm sure theres more places but I'm in class right now, hope these help.
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