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Old 07-24-2019, 01:21 AM   #1
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Help! Speedo lighting dims when I honk

The other day when I was stopped at a light I noticed my bikes speedo was Dimming and brightening lightly. After this I noticed it also does this at low speeds. Also noticed that it dims when I use the horn. Thinking it was the baterry or charging system I used a multimeter which engine off on the battery said 13.4 and then engine on said 14.3 constant even when revving. Are these numbers normal and if so what else could be at fault. Often humidity has gotten into my speedo could this have caused this maybe?

Thanks ahead of time

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Old 07-24-2019, 07:12 PM   #2
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Take battery to a auto parts store and have them load test it. Also make sure battery connections are clean and tight. at both ends of the cables.
There should be three ground wires. One attached to the top of each of the cyl heads. The third on bottom of engine to frame.

Everything is JMHO. Accuracy is not assured.
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