VDO tachometer and NS Regulator

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VDO tachometer and NS Regulator

Postby petedd on Mon Jun 09, 2014 7:59 pm

I swapped out my engine and instruments with a Beta Marine engine with a VDO tach. I cannot get a good reading on my VDO tachometer. It either reads way high (off the scale) when the batteries are topped up or somewhat randomly (high or low) when the batteries are down a little, but mostly just reads off scale now. Is there a way to fix this or should I rig an inductive sensor (costs more than the tach itself) and stop trying to get a tach signal off the alternator? Thanks!
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Re: VDO tachometer and NS Regulator

Postby Coulomb on Mon Jun 09, 2014 11:56 pm

Answer is here: http://www.amplepower.com/primer/tach/index.html
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Re: VDO tachometer and NS Regulator

Postby petedd on Tue Jun 10, 2014 6:13 pm

Thank you. I will research a mechanical tach sender.
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