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02 LTZ tach needle jumping

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#1

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09-10-2009, 11:10 AM

cableguy4k cableguy4k is offline

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02 LTZ tach needle jumping

The needle on my tach has started jumping around. It happens at varying RPM's, even at idle. It does not happen consistantly. Any thoughts?

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#2

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09-10-2009, 11:38 AM

maxwedge

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Re: 02 LTZ tach needle jumping

Usually caused by the stepper motor in the tach, but check the common ground on the l/s of the block first.

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