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PostPosted: April 26th, 2017, 4:16 am 
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Joined: April 26th, 2017, 4:14 am
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When my headlight is on and I activate my signal lights, sometimes the headlight stops working...
I have a '97 transalp and a Bi-xenon HID headlight.

Has anyone else had this problem?
Could it be insufficient power so the ballast stops working?


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PostPosted: April 26th, 2017, 6:23 am 
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Joined: July 8th, 2011, 7:02 am
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Location: Mackay, Queensland, Australia
Sounds like a dodgy earth somewhere to me. I haven't had any experience with automotive HID but they use less power than halogen so power available shouldn't be an issue. If the earth return on the headlight is in someway dependent on the blinker circuit for an earth then it can fail when turn indicators are on.

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PostPosted: April 26th, 2017, 6:38 am 
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Jackflash wrote:
Sounds like a dodgy earth somewhere to me. I haven't had any experience with automotive HID but they use less power than halogen so power available shouldn't be an issue. If the earth return on the headlight is in someway dependent on the blinker circuit for an earth then it can fail when turn indicators are on.


Thanks!
I'll check the wiring diagram and earth for corrosion. Can I measure this with a multimeter? (resistence between negative pole on battery and earth wire of headlight?)_


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PostPosted: May 9th, 2017, 3:38 am 
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Location: Mackay, Queensland, Australia
You should be able to do that. I'd have a close look at the wiring and the point where the earth return for the light goes to frame, check for rust or any discolouration of the wire and lug. The other option is to run a wire all the way back to the battery negative.
I've noticed over years of electical troubleshooting on vehicles that if your digital multi-meter reads 0.3 ohms between the leads, then any wire reading more that 1 ohm to earth probably has a bulb or motor in the circuit, rather than a clean path to the negative terminal.

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2003 Honda XL650V Transalp; 1977 Kawasaki Z750B twin;
2006 Hyosung GT250R; 2001 Yamaha FZS1000.


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