I believe your engine is impulse triggered for the tach signal. Any tach that uses an impulse, as opposed to alternator signal, will work. VDO Stewart Warner among others make a tach that will work.
https://gaugesvdo.com/products/453067615-333-11911-vdo-cockpit-marine-diesel-tachometer-4000rpm/ Douglas Mountjoy 1988 C&C LF 39 Mexico at large Transpacific 37 POYC Port Orchard, WA On Thu, Jul 31, 2025, 06:05 Hoyt, Mike via CnC-List <cnc-list@cnc-list.com> wrote: > The lens on our tachometer needs replacing. Would likely be best to > replace the tachomenter > > > > This link shows an identical control panel > > > > 3GM instrumentpanel type B - Yanmarspecialisten > <https://www.yanmarcenter.se/2022/06/02/3gm-instrumentpanel-type-b/> > > > > Any ideas on where to find a tach? > > > > Thanks > > > > Mike Hoyt > > Persistence > > Halifax, Nova Scotia > Your contributions help pay the fees associated with this list and help to > keep it active. Please help by making a small contribution using PayPal > at: https://www.paypal.com/paypalme/stumurray All contributions are > greatly appreciated.
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