charlie99
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Number of posts : 11695
look for "eastern beaver " relays
he's an Japanese supplier of relay kits to suit ...made exceptionally well with good components
you can gleam from the the kits how the system works ....
but in essence ...a relay is fitted so the headlight switch wiring switches the relay ...rather than the load to the headlight
there is an additional positive supplied from the starter motor relay (battery side ) that supplies the relays then the headlight as the relays are switched on and off
there are quite a few posts with diagrams throughout the forum
have you found the search function yet ?
addition recommendation is to fit an ceramic headlight connector
I use 3 relays ...as I have additional running lamps ...like many others
![Headlight trouble Img_1410](https://i.servimg.com/u/f68/19/17/16/37/img_1410.jpg)
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cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )
'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%O
'86 k100 rs.. #######.. "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
1987 k100rs ######## "Red" - (red sports rs TWB style )
1989 K100rt #009637 "Black Betty" (naked rt ala Nigel , now sporting an rs main fairing )