Headlight – Hyosung Aquila gv125s
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Bike Model = : Hyosung Aquila gv125s
My headlight has stopped working but only works when I press the “give way” / “pass” flash button on my handle bar controls. What could be the cause the headlight to not work( plus in the past the the headlight also used to turn off randomly and sometimes when I turn my handle bars to the right)
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Check the plug connector has not been damaged by water behind the headlight shell?
Check the Left handlebar switch connector under the tank is also not water damaged ? (or a wire broke inside being pulled when you turned right)
Lastly, the lights are controlled by a relay , the relay is 4pins. However , next to the battery SOME (not all) GV125-S have a small black box with loads of fuses , look for the one that says “headlight” and check it (don’t replace with a bigger fuse or you will fry the harness)
Relay = It is needed for every GV125, it’s always there. (It clicks confirming its sending power to the lights) , it will be in a row of other relays controlling the pump, ecu, injectors etc…. It’s not always easy to tell which is which. If in doubt , disconnect one relay ==> if the pump stops ==> put a sticker there saying its a “pump relay” etc.
Also check for water invasions under the relay rack
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I have also noticed that the previous had been messing with the left handle switch assembly (which controls the highs beams, indicators etc) and it hasn’t been properly closed when screwed back on as there is a gap so could it mean that water getting into the switch assembly could be cause the issue e.g. corroding contacts in the switch being pulled when handle bars are turned and have now broke?
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I have also noticed that the previous had been messing with the left handle switch assembly (which controls the highs beams, indicators etc) and it hasn’t been properly closed when screwed back on as there is a gap so could it mean that water getting into the switch assembly could be cause the issue e.g. corroding contacts in the switch being pulled when handle bars are turned and have now broke?
Most likely , best to take it apart and use a meter to test the contacts and the end of the plug to check each pin has continuity etc , this will confirm if the switch is totally dead or some contact inside needs sorting or a broken wire inside the switch cable
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