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**dmjlambert** · 10-17-2021, 11:16 PM

One way to wire a kill switch, that is to prevent the engine from running, to short the tach signal from the distributor to ground. So your tach could have a problem, or the wire running to the tach shorted to ground.

10-17-2021, 11:16 PM	#6
dmjlambert Senior Member Join Date: Apr 2016 Location: Cypress, TX Posts: 3,949	Re: HEI Conversion-Sudden Death One way to wire a kill switch, that is to prevent the engine from running, to short the tach signal from the distributor to ground. So your tach could have a problem, or the wire running to the tach shorted to ground.