Question about 2002 Yamaha YZ 426 F

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High beam warning light

High,i have a tzr125 belgardo the high beam warning light is on even when on low beam all the wiring looks ok or could the fault be in the mag,i have spent a lot of time on it but not found the fault,any suggestions

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Hey dude,, just to try n help the easiest way,, on the hi beam lite u will only have two wires on some bikes ,but 3 wires mostly runnin into it,, so 4 an example lets say u got 2 wires,,this being yellow and green if i remeber,,yellow will be hi beam ,,green is low,, the earth would come from the bulb and earth in to the loom,, ,, easiest thing to try,, and by pass hassle,, is on the hi beam lite itl be the yellow wire ie the live on that bulb ,snip it off enuff to be able to join it to the hi beam on the bulb in the head lite, , ,, so u have in your hand say u have the hi beam lite which will have an earth wire black,, leave that connected,, and a yellow wire ,which will be the live in,,snip that wire and touch it on the yellow on the headlite bulb ,, dip the lite and hi beam will go out,,hope that helps

Posted on Jan 01, 2009

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Good Luck

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I have a 2005 Yamaha R1 and the highbeams wont work and the blue indicator light wont light up when the switch is turned to high beams.. the lights are new and are all connected correctly.

check your headlight relay for loose connections or a bad wire from the relay to the headlight.
Turn off the ignition and if you have a multimeter set it to Ohms and check the wiring for continuity from from the relay to the headlight.
It could also be a bad wire from the handlebar switch to the relay.

You could reverse the two wires at the relay that are feeding your headlight. Obviously the high and low beams will be switched on in reverse, but if the high beam comes on in low beam setting then the headlight and wiring are OK but the high beam contact in the relay is no good, (in which case you would replace the relay) or the handlebar switch or the wiring from it to the relay are bad.
Ask more questions if you want.

Cheers, Steve
PS Feel free to vote for my answer or give a testimonial if I have helped.

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do you have a high beam when you switch it to high?? i ask because this will help find the fault. get a test light this is the first tool i get when things like this come up. start at the head light plug and check for power high beam and low beam. No power check the same at the switch plug, Nothing go to the switch and check for power in got that but no power out your switch is likely at fault. if your pass light is working then you should have power in. check that and if you have no love please let me know and i'll gladly help you with more things to check
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C.C. Motorsports

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My latest wiring diagram shows.

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I have a tzr 125 belgado the high beam warning light is on even when i have low beam on could the fault be in the mag or the wiring,thanks dave

Jan 01, 2009 | 2002 Yamaha YZ 426 F

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