christopherb
New member
The rev counter has started to show 1200 rpm when I turn the key on and before starting the engine. When I start the engine, the reading increases in proportion to the throttle setting. The engine and rev counter are only a few years old and the rev counter unit itself seems in good order. I can't see any calibration screws on the back of the instrument. The connections to the unit and the alternator all seem to be clean and secure. Any suggestions on trouble-shooting this?
Edit: I've just seen other threads that say the rev counter isn't connected to the alternator but to a sensor on the emgine (flywheel?). I'll check that next time I'm on the boat but if that had failed surely the rev counter wouldn't work at all?
Edit: I've just seen other threads that say the rev counter isn't connected to the alternator but to a sensor on the emgine (flywheel?). I'll check that next time I'm on the boat but if that had failed surely the rev counter wouldn't work at all?
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