Re: Tachometer has died
- Thanks for the suggestions, Jason. I will be down to the boat on Friday and will check everything you suggest.
--- In J28Sailors@yahoogroups.com, Jason Smith <jason3317@...> wrote:
> The tach on Yanamrs is electric signal. The tach sender counts the
> revolutions of the flywheel and converts to electric signal read by the
> tach. I would check ground wires, first, both on the cockpit panel panel
> and the sender. You should also check the harness plug that the sender
> signal is routed through, it may have come loose. My harness plugs are on
> the port side of the engine, near the transmission. Finally, do your
> warning lights still come on?
> On Mon, Sep 7, 2009 at 6:24 PM, lenny_reich <lsreich@...> wrote:
> > We were out in the boat on Saturday and fired up the engine to return to
> > the marina. I noticed the tach as the engine started, and it was working
> > just fine. I dropped the engine back to idle, put the prop in gear, and then
> > cranked up the throttle to what I thought was around 1500 rpm. When I looked
> > at the tach, it was reading 500. I moved the throttle up a couple of hundred
> > rpm and checked the tach--still 500. When I looked at it again about 60
> > seconds later, it read zero, and that's where it stayed.
> > The fact that the tach failed in stages is interesting and must be a clue
> > to what is wrong. Does anyone have an idea?