I have a Volvo Penta
MD2040D, two alternators, both identical and standard Volvo
. My tach continually shuts down. I have been told that when the batteries are fully charged, the Volvo has a flaw that the tach will then shut down. My batteries are up to 14.2. Besides the tach not working, the engine
he counter also does not work properly. It is digital and generally flashing all sorts of numbers. The tach has always not worked well even when the batteries are not fully charged.
A few years ago I purchased a new Volvo tach, no change to problem. Any ideas?
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