Reset tach 03 Trailblazer

Is there a way to re-zero a tach gone wild? And what causes these things to go haywire? It doesn't seem to be a mechanical issue.

Reply to
Meat Plow
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Stepper motor malfunction....very common issue.

Reply to
Augustus

If you want to try to fix it, a guy on eBay sells the motors.

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Good luck,

Al

Reply to
Big Al

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