...I run the Computronix DIS8.
Yes! There is a 'Purple' wire that connects directly to 'A' Electronic Tachometer.
BUT, I do Not have it connected to the Original In-Dash Tach. I have it connected to an Aftermarket Digital Tach. It works perfectly and is Accurate.
I see No Reason why It would Not power the Original Tachometer, although, I did Not test it to Witness That it Worked.
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