Tach dash question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

f.monroe · 05-14-2005, 12:07 AM

I have a tach dash from a 1980 one ton 454 truck . I was going to use this in my 77 because I like the look of these gauges better but have decided to use a 77 gauge panel instead . I have a question . There is a resistor ??? ( looks like a conderser for a points type distributor )or something that plugged into the distributor , mounted to the firewall , and then hooked to the tach wire . What is this part used for . I have seen tach dashes where the wire runs from the tach straight to the distributor . Just curious about this one part . Frank

05-14-2005, 12:07 AM	#1
f.monroe Senior Member Join Date: May 2004 Location: Caldwell,Tx. Posts: 3,648	Tach dash question I have a tach dash from a 1980 one ton 454 truck . I was going to use this in my 77 because I like the look of these gauges better but have decided to use a 77 gauge panel instead . I have a question . There is a resistor ??? ( looks like a conderser for a points type distributor )or something that plugged into the distributor , mounted to the firewall , and then hooked to the tach wire . What is this part used for . I have seen tach dashes where the wire runs from the tach straight to the distributor . Just curious about this one part . Frank Last edited by f.monroe; 05-14-2005 at 12:08 AM.

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