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Westy89

WR 450 Headlight

4 posts in this topic

I have a 04 WR450 and my headlamp stoped working. I just thought my bulb is burned out, but when I took it out the filament look ok. So I wired up the bulb to a battery with test leads and the filament closest to the tip works, but the other filament doesn't work. In the bike, neither filament lights up. Anyone have a clue to this? No, I haven't tested the plug wires yet with the bike running, YET but will so in the morning. My neighbors don't like to hear the rumble at night ;-).

Follow up question to this. Why two filaments? Are they both suppose to work all the time?

Cheers

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My understanding is that both the headlight and tail light are dual filiment bulbs, but only 1 is connected. The one that doesn't work is most likely the one that is wired up.

Paul

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Ah, so most likely I just need to replace my bulb. The filamet does look intact though, but I will try that in the morning.

In case others are surfing this question. Is he right about only using half of the bulb's potential?

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Only low beam is used by default, the other is for high beam. Some guys have put on a switch to be able to use both.

On the back on is driving light and the other is brake light.

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