July 1st, 2014, 08:33 AM | #1 |
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Tach/RPM gauge needle wobble
So, for a while now the tach's needle would get stuck at 0 rpm on colder mornings but then eventually jump up and be happy as a clam...
Now it holds a steady value except between 7K and 9K RPM, where it wobbles like on really old cars... Anybody else experience or familiar with this before I go tearing into the instrument cluster to clean/re-graphite the bearings (if that's even possible)?
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July 1st, 2014, 09:21 AM | #2 |
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Not sure if that would even help. It's not a mechanical device; it's measuring electrical current.
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July 1st, 2014, 05:53 PM | #4 |
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If related to vibrations, it may indicate poor electrical connections between the instrument and the CDI.
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July 2nd, 2014, 09:34 AM | #5 |
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ah, that's right, I forgot, it's a stepper motor behind the gauge, right?
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