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Headlight not coming on 24 Feb 2012 23:58 #506195

  • DaddyJama
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So I rewired all of the indicator bulbs and turn signals and brake lights. They all work except for the head light and bright lights?!

I didn't touch the headlight except to disconnect it.. I did use fork brackets instead of the stock mount..

Any suggestions on what to check? The filaments also look good as well

82 440 ltd
2005 636 - track bike
1982 kz440ltd - new toy;)

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Headlight not coming on 25 Feb 2012 00:20 #506200

  • MFolks
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Get a multimeter set on Ohms at the lowest settings, and with the three prong socket disconnected from the bulb, do a continuity check. When checking the voltage, put the meter on VDC(Volts, Direct Current)range of 20, with the RED probe on either of the bulb socket connectors, and you should have battery voltage(depending on how the high and low beam switch is configured.

The BLACK probe goes on the terminal with Black with Yellow stripe wire as it's part of the chassis ground(or Earth, as some people list it).
1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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Headlight not coming on 25 Feb 2012 00:36 #506201

  • ramtough_63
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and dont forget to check the fuse i know thats obvious but sometimes overlooked
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Headlight not coming on 25 Feb 2012 17:04 #506295

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So I checked. I'm getting ~ 12 on red/yellow and when I switch to brights it goes away and I get 12 on red and black.. Assuming its the bulb then?
2005 636 - track bike
1982 kz440ltd - new toy;)

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Headlight not coming on 25 Feb 2012 17:40 #506301

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Got a spare bulb to check the function with? It looks to me to be a bad bulb, if voltage is at the socket. When handling the bulb, wipe off the fingerprint oils with rubbing alcohol, otherwise the sodium in the oils will shorten the bulbs life.
1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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Headlight not coming on 25 Feb 2012 17:54 #506304

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do you have ground at socket ??

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Headlight not coming on 25 Feb 2012 19:34 #506321

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Mfolks.. Thanks! I don't have a spare bulb but hoping I can pick one up somewhere this afternoon. I got the meter from harbor freight on sale:))maybe I'll be lucky with the bulb..

Nobody..
As far as ground at socket? I'm not sure. I used the negative terminal in the black wire socket so I assumed that was it.

Edit.
Just realized the whole thing is one unit and not just a bulb with a lens:(
2005 636 - track bike
1982 kz440ltd - new toy;)

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Headlight not coming on 25 Feb 2012 19:40 #506323

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2005 636 - track bike
1982 kz440ltd - new toy;)
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Last edit: by DaddyJama.

Headlight not coming on 25 Feb 2012 21:45 #506355

  • H1Vindicator
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Headlight not coming on 25 Feb 2012 22:10 #506357

  • DaddyJama
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Well.. Drilled out old bulb.. Bought an h4 from autozone..

Everything works again. Crisis averted:)
2005 636 - track bike
1982 kz440ltd - new toy;)
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Headlight not coming on 26 Feb 2012 00:37 #506379

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Two hours later.. Longest bulb swap I've ever done..
2005 636 - track bike
1982 kz440ltd - new toy;)
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Headlight not coming on 26 Feb 2012 01:11 #506387

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looks good . man some of the little things :angry: :laugh: :laugh:

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