August 20th, 2014, 11:07 PM | #1 |
ninjette.org newbie
Name: Foley
Location: Dallas Texas
Join Date: Jun 2012 Motorcycle(s): 2012 Ninja 250R Posts: 9
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Blowing tail fuse after changing brake light.
I just replaced my tail light (2357) because of a broken filament and as soon as I turned the key the tail circuit fuse popped.
I checked for exposed wires or damage to the bulb socket and didn't see anything, replaced the fuse and it blew again. I tried a standard 1157 bulb and the lights came on when I turned the key but shortly into my ride the fuse blew again. Everything was functioning perfectly before changing the bulb so I'm having a hard time understanding the issue. I'm going to buy a multimeter on my way home but I've never used one and would really appreciate some advice. Or if someone has had this issue maybe you can point me in the right direction. |
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August 21st, 2014, 07:29 AM | #2 |
RIP Alex
Name: Cuong
Location: Houston, TX
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Definitely a short somewhere. Which filament was burned out? The tail light or the brake light?
If its the brake light, check the lines from front brake and rear brake switch. If its the tail light than check the wires from the fuse box to the tail light.
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August 21st, 2014, 08:07 AM | #3 | |
ninjette.org newbie
Name: Foley
Location: Dallas Texas
Join Date: Jun 2012 Motorcycle(s): 2012 Ninja 250R Posts: 9
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Quote:
On the positive side, riding at night with no tail, brake, or gauge lights makes you a super safe rider. |
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August 21st, 2014, 09:03 AM | #4 |
Certified looney toon
Name: Teri
Location: 39°52'40.7"N 118°23'53.8"W (Northern NV)
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Not sure about safe, maybe an overly cautious rider.
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August 21st, 2014, 09:59 AM | #5 | |
Daily Ninjette rider
Name: Hernan
Location: Florida
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Quote:
http://faq.ninja250.org/wiki/Electrical_%26_Lighting
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August 21st, 2014, 05:19 PM | #6 |
ninjette.org newbie
Name: Foley
Location: Dallas Texas
Join Date: Jun 2012 Motorcycle(s): 2012 Ninja 250R Posts: 9
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May have this fixed, both battery terminals were loose.
I haven't taken it for a ride yet but the lights are back on for now. |
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August 23rd, 2014, 05:45 AM | #7 |
ninjette.org newbie
Name: Foley
Location: Dallas Texas
Join Date: Jun 2012 Motorcycle(s): 2012 Ninja 250R Posts: 9
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So it seems I spoke too soon. I got a day of riding with the 1157 bulb in place with no issues, decided to put the 2357 back in and the fuse popped.
The fun part is I have to ride to and from work in the dark for 2 more days before I'll have time to dig into this again. |
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August 23rd, 2014, 05:57 AM | #8 | |
Daily Ninjette rider
Name: Hernan
Location: Florida
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Quote:
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Motofool .................................Never ride faster than your guardian angel can fly "Mankind is composed of two sorts of men — those who love and create, and those who hate and destroy. Love is the bond between men, the way to teach and the center of the world." - José Martí |
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August 23rd, 2014, 06:00 AM | #9 |
ninjette.org newbie
Name: Foley
Location: Dallas Texas
Join Date: Jun 2012 Motorcycle(s): 2012 Ninja 250R Posts: 9
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August 23rd, 2014, 06:01 AM | #10 |
Daily Ninjette rider
Name: Hernan
Location: Florida
Join Date: Mar 2011 Motorcycle(s): 2007 Ninja 250 Posts: A lot.
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May it be that the size of fuse is too small?
Taillight fuse (#4) should be 10 Amps.
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Motofool .................................Never ride faster than your guardian angel can fly "Mankind is composed of two sorts of men — those who love and create, and those who hate and destroy. Love is the bond between men, the way to teach and the center of the world." - José Martí |
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August 23rd, 2014, 06:17 AM | #11 |
ninjette.org newbie
Name: Foley
Location: Dallas Texas
Join Date: Jun 2012 Motorcycle(s): 2012 Ninja 250R Posts: 9
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August 23rd, 2014, 06:25 AM | #12 | |
Daily Ninjette rider
Name: Hernan
Location: Florida
Join Date: Mar 2011 Motorcycle(s): 2007 Ninja 250 Posts: A lot.
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Quote:
The wires will start melting above 10 Amps; hence, the fuse limiting 10 Amps circulating through the circuit. http://automotivemileposts.com/taill...omparison.html It seems to me that you have an intermittent short circuit, associated to vibrations. It could be damaged skin of a wire contacting ground (negative), or a part of the socket of the bulb. Normally, the problem is in the last area that we have been messing with.
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Motofool .................................Never ride faster than your guardian angel can fly "Mankind is composed of two sorts of men — those who love and create, and those who hate and destroy. Love is the bond between men, the way to teach and the center of the world." - José Martí |
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August 23rd, 2014, 01:03 PM | #13 |
Fix It Till Ya Break It
Name: Asspyre
Location: T.Dot
Join Date: Oct 2011 Motorcycle(s): 08 250RRrrrr Posts: 623
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the tail light harness can rub on the frame and short out check near the bottom of the tray under the pillion seat.
last time i had a short, i jumped the fuse with a 12 gauge wire and looked for where the smoke was coming from, quick and easy. i don't recommend doing that by the way..... also, buy an R6, LED tail lights, no need to worry about changing them and screwing up your wiring. |
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August 23rd, 2014, 05:09 PM | #14 | |
ninjette.org newbie
Name: Foley
Location: Dallas Texas
Join Date: Jun 2012 Motorcycle(s): 2012 Ninja 250R Posts: 9
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Quote:
I took a closer look at the socket and the outer most pin had moved out of position, it looks like depending on how the bulb is inserted the pin can contact the outer wall and short. I forced the pin down further into the base and everything is working again. I'll give it a few days to see if anything else pops up and then replace the socket just to be safe. Thank you for all your assistance, you guys are great! |
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