Instrument turn signal light stays on
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- Forum Regular
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- Location: Pleasant Hill, CA
Instrument turn signal light stays on
All lights - except the RH turn signal instrument panel light - appear to work properly. The RH instrument light stays on steadily until the RH turn signal is activated, at which time the instrument light blinks (as it should). The built remains lit upon the turn signal being canceled. I have tested (continuity) the wire providing power back to the handlebar-mounted switch and all seems fine. Any ideas on where I might be picking up voltage on this circuit?
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- ICOA Technical Director
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- Location: Knox, PA
Re: Instrument turn signal light stays on
Take apart your turn signal switch, clean everything and be sure one of the contacts hasn't slipped. Your problem is there, I think. Lots of little parts in there, be careful. Just did one yesterday.
Dave
Dave
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- Location: Pleasant Hill, CA
Re: Instrument turn signal light stays on
Dave,
I have the switch apart and am wondering if the front turn signal lights are to always be on (parking lights?). In my case, ARE on - and blink brightly when turn signals are activated. A related question: when are parking lights supposed to be lit? I see there is a "P" position on the ignition. These questions are so I have. Better understanding of the switch and it's intended function.
I have the switch apart and am wondering if the front turn signal lights are to always be on (parking lights?). In my case, ARE on - and blink brightly when turn signals are activated. A related question: when are parking lights supposed to be lit? I see there is a "P" position on the ignition. These questions are so I have. Better understanding of the switch and it's intended function.
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Re: Instrument turn signal light stays on
The front turn signals double as running lights and are always on, on US-spec bikes. They are not parking lights. They should go on and off when turn signal is activated. The "parking light" feature lights a small bulb in the headlight and the taillamp, not the t/s lights.
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- Location: Pleasant Hill, CA
Re: Instrument turn signal light stays on
Also....when the LH turn signal is on, the indicator light and blinker flash in sync; when RH turn signal is on, the indicator light flashes opposite of the turn signal.
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Re: Instrument turn signal light stays on
I have the switch apart - and the two long contacts removed (basically taking the switch out of play). The RH indicator light remains on. I cleaned the bulb socket thinking I might have a short (but no short). I took this step because with the bulb removed (open circuit) the indicator light goes dark; rep,ace the bulb and indicator light comes on.
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- ICOA Rally Director
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Re: Instrument turn signal light stays on
Bear with me, as I'm miles from my shop manual.........
If memory serves, the switches supply ground to the lights, rather than positive current. If I'm correct, that may be way things aren't behaveing as you expect.
OTOH, I could be wrong.
If memory serves, the switches supply ground to the lights, rather than positive current. If I'm correct, that may be way things aren't behaveing as you expect.
OTOH, I could be wrong.
Rick Pope
Either garage is too small or we have too many bikes. Or Momma's car needs to go outside.
Either garage is too small or we have too many bikes. Or Momma's car needs to go outside.
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- Location: Pleasant Hill, CA
Re: Instrument turn signal light stays on
Solved. The problem originated in the instrument cluster where the voltmeter had a ground wire (green) to each pole. I moved the errant green wire to its green brother on the other pole and voila! problem resolved. If there is any good news in this fiasco, I did end up with a very clean LH switch.
Thanks so much for sticking with me as I made this journey.
Thanks so much for sticking with me as I made this journey.
- NobleHops
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- Location: Tucson, Arizona, USA
Re: Instrument turn signal light stays on
About 483 different guys involuntarily nodded their heads knowingly. It’s a journey sometimes
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Great job Dave!

Great job Dave!
Nils Menten
Tucson, Arizona, USA
'82 CBX, among others.
Tucson, Arizona, USA
'82 CBX, among others.
- herdygerdy
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Re: Instrument turn signal light stays on
And with the help of the many fine folks around here, usually a journey to...enlightenment!NobleHops wrote:...It’s a journey sometimes.
Great job Dave!
+1 on the great job Dave