Mercruiser Tach error

NHGuy

Captain
Joined
May 21, 2009
Messages
3,631
Hi, I tried a search & didn't get a result so here's my question.
My tach intermittently reads too high. This just started this week. I haven't have a chance to go through and clean up the connections yet. Snug, clean electrical contacts is my normal course of action on wiring issues.
Do any of you have the same issue or any common repair recommendations for this?
 
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