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Old 26-05-2012, 20:35   #16
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Re: Tachometer Blues

Best bet is a poor electrical connection at alternator or tach.

Some info that might help in your trouble shooting (not Yanmar specific):
Alternator Tachometer Signals
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Old 27-05-2012, 18:37   #17
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Re: Tachometer Blues

Quote:
Originally Posted by Dennis.G View Post
Best bet is a poor electrical connection at alternator or tach.
Agreed! Have a good look at the connection at the alternator. As mentioned before, these can be affected by overheading, etc.

Cheers,

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