1997 Maxum 4600 SCB Tach issues

[whiskerriver]

So I replaced all the gauges with Livorsi gauges. I need some insight on the RPM Tachometer. I have two diesel engines that have a max of 3000 RPMs. Does anyone know if the tachs should read off the alternator or the transmission. I cannot locate the sender and the tach is pegging all the way past the 4000 RPM limit.

[jparsons121]

Depends on the gauge you chose. Their gauges can read from alternator, mag probe or transmission. Which suffix was on the part number you ordered?

[whiskerriver]

DC4000DA I know mean Alternator. But I need to know where Maxum intended it to read from. And thank you for the quick response.

[whiskerriver]

Found it. On the flywheel under the air cleaner.

[Gugi47]

Originally Posted by whiskerriver

So I replaced all the gauges with Livorsi gauges. I need some insight on the RPM Tachometer. I have two diesel engines that have a max of 3000 RPMs. Does anyone know if the tachs should read off the alternator or the transmission. I cannot locate the sender and the tach is pegging all the way past the 4000 RPM limit.

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