Question about 2003 Yamaha WR 250 F

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Lights are incredibly dim.

Both the headlight and tail light are very, very dim. You can only tell that the tail light is burning by removing the red lens. The brake light doesn't work at all. Any ideas??

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You have a bad ground in the circuit. Go thru the wiring harness and find the bad ground. Remember, a loose male to female connection can be the ground problem, not just a rusted ground wire.

Posted on Mar 12, 2009

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Headlights kick off and on seems to jiggle on and sometimes stays off. Hi beam and left blinker dash lights stay on but are very dim and left side blinkers stay on when headlights are not working


Hi, Byson if your headlight is not working, keeps burning out, blinking, or is dim the first thing you need to check is the headlight bulb for damaged filaments then check your light circuit fuse, then check your head light bulb socket ground wire for a clean tight connection, that being said the usual suspects are:
1. Faulty ground or power supply wire to headlight bulb socket.
2. Worn down solder contacts or loose fit of the bulb base in the socket due to vibration.
3. Worn, chaffed, or broken wires in the light circuit.
4. Corroded, broken, or loose pins/sockets in wire connectors.
5. Faulty hi/lo beam switch.
6. Faulty ignition switch.
7. Fuse is good but no continuity on both sides.
8. Faulty wiring between battery positive and headlight bulb socket.
9. Weak charging alternator/generator.
10. Faulty voltage regulator/rectifier ground or overcharging.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below and for more specific information or questions at no charge please feel free to contact me at xlch@mail.com. Good luck and have nice a day.
http://katriders.com/vb/showthread.php?t=52550
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One headlight only lights up at a time


Hi, Pops if your headlight is not working, keeps burning out, blinking, or is dim the first thing you need to check is the headlight bulb for damaged filaments then check your light circuit fuse, that being said the usual suspects are:
1. Faulty ground or power supply wire to headlight bulb socket.
2. Worn, chaffed, or broken wires in the light circuit.
3. Corroded, broken, or loose pins/sockets in wire connectors.
4. Faulty hi/lo beam switch.
5. Faulty ignition switch.
6. Fuse is good but no continuity on both sides.
7. Faulty wiring between battery positive and headlight bulb socket.
8. Weak charging alternator/generator.
9. Faulty voltage regulator/rectifier, overcharging.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
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1980 xj650 runs but no lights at all and fuses are good. what next?


check the rrelay for the instruments and especially the lights

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My headlights and taillights aren't working on my 2005 Hayabusa, I have signal and brake lights only.


The wires that powers your head and tail lights are 2 yellows (one going in the fuse box and the other going out towards the high beam headlight), a White and a Yellow/White wires. Need to check them if the are "live". Also check the Orange wire that goes from your key switch to the fuse box. Also there is a Brown wire that goes from your key switch to your tail light. That should be "live" too when you turn your key ON. The wires I mentioned to your key switch, all are powered from the Red one on your key switch that comes from the starter relay. If the Red is dead then you start from your starter relay.

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My dt125r headlamp low beam is very dim can you tell me why ?


Hi, Madmurph_567 if your headlight is not working, keeps burning out or is dim the first thing you need to check is the headlight bulb for damaged filaments then check your light circuit fuse, that being said the usual suspects are:
1. Faulty ground or power supply wire to headlight bulb socket.
2. Worn, chaffed, or broken wires in the light circuit.
3. Corroded, broken, or loose pins/sockets in wire connectors.
4. Faulty hi/lo beam switch.
5. Faulty ignition switch.
6. Fuse is good but no continuity on both sides.
7. Faulty wiring between battery positive and headlight bulb socket.
8. Weak charging alternator/generator.
9. Faulty voltage regulator/rectifier, overcharging.
For more information about your issue and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have nice a day.
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1 Answer

When i put front brake on no back light and headlight goes dim


Check the battery to make sure it is not failing.
The headlight will work even if the battery is not holding a charge.
Basically running off the alternator.
Hitting the brake activates a draw of current which will dim the headlight.
Brake light may or may not work. Check the fuses and make sure there are no shorts in the wires running to the tail light. Check bulb also to make sure it is has not burned out.

The link below is for the 1100 V star should give you some good tips and gives you a good idea of where everything is:
http://www.flygenring.dk/yamaha/artikler/1100ChargingSystem.pdf

Good luck!

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Are the turn signals lights on back of 2009 Shadow


newer bikes also light up the turn signals along with the headlights for extra visability. long as they also flash when signaling , all is fin

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Integrated tail problem


firstly ground them two wires and see what happens

you have got something screwed up if you gotta take fuses out to get stuff to work.

i find it easy if i draw what i have on paper first. you should have 3 wires for tail and 2 each for turns. those maybe 3 blacks, 1 green, 1 brown, 1 blue, 1 yellow.

http://www.carlsalter.com/motorcycle-manuals.asp

you can get a free download service manual here it will have the correct wiring diagrams for your bike. it shoudl help

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