Volvo MD6A Tacho

Trevorj

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Joined
15 Feb 2011
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Cygnet Tasmania
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I'm trying to fix the tacho. on my Compass 28. It has never worked in the 4 years I have owned the boat but it eventually got to the top of my to-do list.
I started with the sensor. Measured at the input to the display it is giving out ~2.5v a.c. at tick-over. Is this around what I should be?
Thanks
Trev
 
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