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  #1  
Old 17th November 2009
scottericsonon scottericsonon is offline
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Default another minimalistic wiring diagram

well one of the things i'm planning to do to my bike this year is re-wire it...........

theres a couple burned spots in my harness and some P.O repairs that aren't real pretty....

plus i want to clean up that rats nest inside the headlight

so i drew up this little diagram that someone else may also find useful........

i plan to print it out and keep it inside a ziplock baggie in my tool kit "just in case"



Last edited by scottericsonon; 18th November 2009 at 12:40.. Reason: updated drawing
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  #2  
Old 17th November 2009
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thanks, nice, simple,easy to folllow.
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  #3  
Old 18th November 2009
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you will need a diode in your gen light circuit
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Old 18th November 2009
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where at russ? i hadnt seen one in my manual........

all i saw was one side going to 12V and the other going to the genny
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Old 18th November 2009
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I think they are in the headlight nest in a stock harness, they are just inline, see post #22 here and pick that part out, you need to make sure the diode is around the right way. What your aiming to do is allow power to flow one way but not back from the battery the other way, the light will glow when it picks up a difference in voltage on both sides of the diode

http://xlforum.net/forums/s...=411626&page=3
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Old 18th November 2009
Fred in WV Fred in WV is offline
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The diode should be in the headlight bucket, placed in series with the gen indicator light, or in a wire going from a 12 pin to 6 pin plug, possibly an orange wire. Part #74563-65. Make sure it's taped up good or use a heat shrink.
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Old 18th November 2009
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fixed with the diode...........


should just be a standard 1n-4004

thanx for the heads up

diode isn't shown in my service manual OR my parts book
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Old 18th November 2009
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54 to 78 book, page 192, 193
79 to 85 book, page 126, 127
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  #9  
Old 18th November 2009
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i must need new glasses because im STILL not seeing it,,,,,,,,,

ive hilighted all the relevant wires here

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Old 18th November 2009
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In my 70 to 78 FM it does not show up in the diagrams until 1978. Then it is number 49, left side of diagram, inside the headlite housing dashed line.
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