Fazer Owners Club - Unofficial
Bikes, Hints'n'Tips => FZS600 Fazer => Topic started by: nickf on 11 February 2020, 12:40:37 pm
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Hi, I am getting back to the Fazer now after a few years of working on my Gpz. One problem it has always had is that when the headlights are on & you switch to full beam or press the passing button, the lcd on the dash goes off for a second then all lights flash as though the ignition has been just turned on. So far I have wiggled all of the connectors, tested the 2 headlight relays as per the Haynes manual and they seem good. The bulbs are the correct wattage. The other thing that is strange is if I unplug 1 bulb then it is fine, doesn’t matter which side I undo. Has anyone had this problem before or got any ideas as to what I can check next? Nick.
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Sounds like it could be an earthing issue
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...thanks, I’ll get the manual out & look for earths on the wiring diagram.
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Check the connectors in the black box under the tank.
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....yes I wiggled them, but will have a better look & see if there is any corrosion. I think I may have missed one on the left hand side of the fairing.
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...thanks, getting there. All connectors were fine, used contact cleaner & acf50 anyway. I ran a -ve straight from the battery to bulbs, relays & connectors. When I ran it to the connector in the black box for the right hand switch block the problem no longer happens when switching from dipped to full. I had the same result from both sides of the connector so know the connector isn’t the problem I will work back & if I can’t find a problem I will run a wire from the battery to the connector. Passing button still causes a problem but will work on that afterwards.
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Hi, any news? I seem to have the same issue with full beams ...
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With engine running or not?
My foxeye without engine running does that. But it's fine with engine on.
Led bulbs or normal halogen? i presumed its a battery thing and if it's not being charged it doesn't like the extra load.
If yours does it with engine on, what sort of voltage you got at the battery?
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Thanks for your reply. I tried it only with engine off. I have the whole front of the bike dissasembled at the moment, can't try it now with engine running. I just got the bike a couple of weeks ago and have no idea what bulbs are in there but from the illumination they produce I suspect halogen. And yes it acts like the load gets too high for the battery to cope. However the battery was fully charged when I tried it. But it isn't new so could be worn out I will have to test the battery for capacity.
By engine running you mean idling or higher rpms?
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Finally I have the bike assembled and was able to try it with the engine running. When I use the full beams it does it only randomly, maybe 2 times out of 10. But when I use the passing button it does it all the time. However I didn't get a chance to check the battery yet. Only thing I noticed is that when I put it on the charger it starts to charge and in 5 seconds it switches to maintenance / trickle charge. So I guess the battery isn't holding the charge. Interesting thing is I started the bike with it a couple times and it always starts on first try without any trouble ... is it possible that the starter pulls less from the battery than the high beam halogens?
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I had this the other day, turned out I needed a new battery, the old battery was a good 7 years old and getting tired. Change of battery helped me.