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casual 22-07-2018 13:19

Tachometer not working
Started ehgine today tac does not respond. Pulled panel checked and cleaned all connections at panel . Also connections in harnes en route. Also removed connection at alternator and cleaned. Still no go.
Could the alternator sending unit be bad? . Engine Yanmar 4jh3e.
Thank you

deblen 22-07-2018 13:36

Re: Tachometer not working
This may help Len

Yanmar rev counter stopped showing revs; sensor or tacho problem? [Archive] - Yachting and Boating World Forums

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