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tinydb84 · 08-02-2021, 01:28 PM

Kinda of a dumb question but did you disconnect any of the other wires from it? There are usually three: power, ground, signal.

08-02-2021, 01:28 PM	#4
tinydb84 Registered User Join Date: Jul 2009 Location: San Jose Ca Posts: 2,871	Re: Factory tach not working with lq4 Kinda of a dumb question but did you disconnect any of the other wires from it? There are usually three: power, ground, signal. __________________ David Used parts build: http://67-72chevytrucks.com/vboard/s...d.php?t=638991 My brother's Nova: http://www.67-72chevytrucks.com/vboa...d.php?t=727985 Rear suspension rework: http://www.67-72chevytrucks.com/vboa...d.php?t=750557 Instagram: myfabguy