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#1
06-20-2026, 01:14 PM
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Tach Quit
1967 GTO with Rally Gauges and replacement tach for HEI distributor. The tach quit reading, but goes to full scale and back with ignition on as it always did. I verified continuity from the tach output, and housing to ground. Is there a way to check the 'tach' output from the distributor? What's odd is I cannot find a tach from Ames, OPGI, or NPD that says for HEI, so I'm not sure where I got it from probably 10 years ago or so.
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