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Old 05-23-2007, 03:30 PM   #1
76bonanza
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Join Date: Mar 2003
Location: St robert Mo
Posts: 2,001
tach question

My tach has stopped working I also just swapped my old hei for a new hei. But that was 2 weeks ago and the tach just quit today so not sure if they are related. I check all the wires they seem good. But I do not know what the signal wire should read mine reads like 13.68 and it is in constant change in that area I assume that is how it works? Anyone know what the signal wire should read?

Thanks
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1968 c10
lowered 3" 4"
355/Th400 built by Hatfield racing in joplin MO
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