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73-87 Chevy _ GMC Trucks => Interior & Equipment => Instrumentation => Topic started by: footballrenzo79 on October 02, 2016, 03:49:55 pm

Title: Factory tach question
Post by: footballrenzo79 on October 02, 2016, 03:49:55 pm

My factory tach is reading 2500 rpms at idle is my tach bad or could there be somthing else


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Title: Re: Factory tach question
Post by: bd on October 02, 2016, 06:53:49 pm

Please include Year, Make, Model etc.. when posting (http://forum.73-87chevytrucks.com/smforum/index.php?topic=5220.0)

Does the tach drop to zero when ignition is first turned on before starting?