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**Dave** · 01-13-2022, 07:29 AM

Mike, do you have way to test the tach with a multimeter or otherwise? I can explain how, it's very easy under a minute.

01-13-2022, 07:29 AM	#8
Dave DND Trucks Join Date: Dec 1999 Location: NW Indiana Posts: 2,380	Re: GM 8 Cylinder Tachometer in GM Box Mike, do you have way to test the tach with a multimeter or otherwise? I can explain how, it's very easy under a minute.