Dash guage issues
11-14-2019, 08:49 AM
#2
One of the best/most agreed with answers I could find out there in net land:
It's nearly impossible. For one thing, it takes a variable frequency source and that source will have fairly hostile voltages present. Not easy at all to simulate even with a frequency generator. About the only thing I can think of is to use a distributor machine and connect the tach to a distributor while it's spun up to various RPMs. Perhaps even easier than that would be to wire them up to a car. Beware however that many of the old OEM tachs were meant to work with breaker point ignition. Using an electronic ignition as a tach signal is hit or miss - it may work and it may not.
Thread is here:https://www.camaros.net/forums/19-el...chometers.html
It's nearly impossible. For one thing, it takes a variable frequency source and that source will have fairly hostile voltages present. Not easy at all to simulate even with a frequency generator. About the only thing I can think of is to use a distributor machine and connect the tach to a distributor while it's spun up to various RPMs. Perhaps even easier than that would be to wire them up to a car. Beware however that many of the old OEM tachs were meant to work with breaker point ignition. Using an electronic ignition as a tach signal is hit or miss - it may work and it may not.
Thread is here:https://www.camaros.net/forums/19-el...chometers.html
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