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-   -   Headlight not coming on when bike is started ( https://www.xt660.com/showthread.php?t=26520)

XT Donkey86 05-01-17 18:53
Headlight not coming on when bike is started
 
So I managed to get the connector issue sorted and now it seems it's the headlights turn

When the bike starts as we all know the headlight comes on but mine has started to play up and not come on ?

Could this be down to loose connection or relay ?

Cheers in adavance


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Pleiades 05-01-17 21:29
Quote:
Originally Posted by XT Donkey86 (Post 227378)
Could this be down to loose connection or relay ?
Could be either. Might be stating the obvious, but is the bulb duff?

Does the headlamp work if main beam is selected at the switch and does the headlamp flash switch operate main beam OK?

XT Donkey86 05-01-17 22:34
Quote:
Originally Posted by Pleiades (Post 227384)
Could be either. Might be stating the obvious, but is the bulb duff?



Does the headlamp work if main beam is selected at the switch and does the headlamp flash switch operate main beam OK?


High beams works and passing light works will have to have a look at the connection the Mara but might best practices to change the relay


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Pleiades 05-01-17 23:15
There is only one feed to the high/low switch (then on to the headlamp) from the relay; the switch simply determines which of the two filaments in the H4 bulb receives current. If the high beam works with the engine running, but not the dip, it is not going to be the relay.

I would suspect either: (a) The dip filament has failed in the bulb; (b) There is a fault in the handlebar switch; (c) There is a loss of continuity in the dip beam wire from the switch to the bulb holder (bad connection or break); (d) There is a fault in the bulb holder (corroded contact/loose connection)

BTW - The headlamp flash (or pass) switch is a bit of a ' red herring' as it has a separate supply and bypasses the relay altogether.

XT Donkey86 05-01-17 23:52
Sweet I came out of work and started it up no dipped beam I poked near the connection under the tank and came on lol I put money on a bad/loose connection lol


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XT Donkey86 06-01-17 16:58
Headlight not coming on when bike is started
 
https://vimeo.com/198360402

Any clues to what's up with this ?


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XT Donkey86 07-01-17 03:54
Quote:
Originally Posted by Pleiades (Post 227388)
There is only one feed to the high/low switch (then on to the headlamp) from the relay; the switch simply determines which of the two filaments in the H4 bulb receives current. If the high beam works with the engine running, but not the dip, it is not going to be the relay.



I would suspect either: (a) The dip filament has failed in the bulb; (b) There is a fault in the handlebar switch; (c) There is a loss of continuity in the dip beam wire from the switch to the bulb holder (bad connection or break); (d) There is a fault in the bulb holder (corroded contact/loose connection)



BTW - The headlamp flash (or pass) switch is a bit of a ' red herring' as it has a separate supply and bypasses the relay altogether.


Cheers dude getting the dealer to have a look as it's not starting again thinking there is a battery or relay issue


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