Aug 5, 2004 · Re: How does a tachometer work usually an analog tacc is of the a/c drag cup type of device. the cheaper ones use the ratio of voltage increase vs magnet speed the more …

Oct 25, 2010 · Re: Tachometer not workin on 3.0L Mercruiser. Where to begin? Also check for ground connection on the back of the tach. You can try cleaning the trim sender but a lot of …

Aug 17, 2008 · I have a 1995 Mercury Black Max 135. The Tachomete has quit working. How do I check to see if it is the Tach or something else?

Feb 4, 2014 · Re: Tachometer not working! In your case, the gray wire is I believe to be the signal wire from the stator. Make sure it is properly connected to one of the yellow wires from the …

Jun 29, 2008 · Re: Mercury Tach Problems - is rectifier bad, or stator?? Your wiring appears to be correct. The tach runs off an AC signal from the stator. The rectifier is a convenient tie in place …

Jul 31, 2013 · Re: VP tachometer does not work What have you checked? Did you check to make sure it is hooked up?

Mar 28, 2014 · A faulty rectifier wouldn't damage the tachometer, the tachometer simply wouldn't work. This is due to the fact that the tachometer operates off of the charging system and the …

Mar 1, 2011 · The tachometer measures the frequency and converts it to a speed indication. Calibration controls are provided to adapt a tachometer to different set-ups in the engine. The …

Jul 15, 2013 · Re: Mercruiser 5.0L tachometer troubleshooting: request advice Yeah, I share your dyslexia! Regarding the tach reading, have you double checked all the wire connections …

Jun 5, 2009 · Re: Tachometers - will automotive tachs work or strictly marine? Automotive tachs work off the ignition system and are "cylinder based". Outboard tachs could care less how …