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Offline hondarod

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Headlight out
« on: 10 March, 2020, 02:16:27 PM »
Hi All,

My headlight is not working high beam is. Iíve checked the bulb and itís ok, any advice on what else it could be. Fuse!

Itís a 09 cbf1000 abs


Thanks in advance

Rod.
I am a CBF Riding God

Offline kingstonr

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Re: Headlight out
« Reply #1 on: 10 March, 2020, 05:00:08 PM »
This is a fairly common issue. Have you tried toggling the kill switch? Maybe give this a clean with some electrical contact cleaner.

Fingers crossed it's an easy fix for you.

Offline jm2

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Re: Headlight out
« Reply #2 on: 10 March, 2020, 06:16:24 PM »
Kill switch ???   Maybe you meant the main/dipped switch.

To the OP:
How have you checked the bulb ?  (Sorry, but some folk have odd ideas about proving what is right and what is not).  An good test would be to swap them dipped/main.
Is your dipped on ?
The main beam is operated by a relay, can you hear this click when on dipped and operate the pass switch ?
If the relay operates it is getting a feed so relay onwards - the relay can be substituted by another (Fan) for testing. After that you are down to wiring. 
If the pass works, it'll be the switch.
Only do it right - no bodging please.   Keeper of the failed stator list.   John.

Offline kingstonr

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Re: Headlight out
« Reply #3 on: 10 March, 2020, 06:57:20 PM »
Yes it isn't the killer switch. My bad. The starter switch can stick a little which can effect the headlights. Simple to check.

Offline jm2

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Re: Headlight out
« Reply #4 on: 10 March, 2020, 07:54:35 PM »
No, the starter switch interrupts the dipped.
The main beam does need that to work but if the dipped in on then that isn't the problem.
Only do it right - no bodging please.   Keeper of the failed stator list.   John.

Offline Longside

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Re: Headlight out
« Reply #5 on: 10 March, 2020, 10:24:27 PM »
Had a similar problem this week, only it was my high/main beam that wasnít working, every time, dipped was ok.
After looking at a previous similar post on the forum, the advice was to open the switch housing on the handle bars, by removing the two screws, then spraying inside with an electrical contact cleaner, not the normal wd 40.
All appears to be working correctly again.

Offline Art

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Re: Headlight out
« Reply #6 on: 11 March, 2020, 11:50:54 AM »
As above, if the bulb and fuse both PROVE good I'd check the starter switch, dimmer switch, relay and their connections.


*Originally Posted by kingstonr [+]
Yes it isn't the killer switch. My bad. The starter switch can stick a little which can effect the headlights. Simple to check.

Not so bad since some wiring diagrams have the kill switch incorrectly labelled as the starter button and visa versa  :087: For example the Mk1 CBF1000 (Non ABS Version) colour wiring diagrams on this site https://www.cbf1000.com/index.php?action=articles;sa=view;article=10


Offline jm2

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Re: Headlight out
« Reply #7 on: 11 March, 2020, 05:59:05 PM »
Sorry, re-read this.   Headlight (dipped not working, main beam does).  My mis-read, sorry all.
Yes, starter cut-out for headlight contacts/springs.
« Last Edit: 11 March, 2020, 05:59:59 PM by jm2 »
Only do it right - no bodging please.   Keeper of the failed stator list.   John.

Offline timbig

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Re: Headlight out
« Reply #8 on: 11 March, 2020, 10:25:43 PM »
« Last Edit: 11 March, 2020, 10:26:19 PM by timbig »

Offline Longside

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Re: Headlight out
« Reply #9 on: 13 March, 2020, 07:59:16 PM »
Seems dipped headlight not working can be more of a problem than main beam. As you said timbig your link was informative.