joe0508ExplorerJun 19, 2014tach gaugeI hooked up a tach to my 454 big block last night and the strangest thing happened.I hooked every wire correctly only thing i didnt hook up was the tach signal.I figured i would get at least some ligh...Show More
2500HDeeExplorerJun 19, 2014Did you accidentally connect the power for the light to the signal wire, and the signal wire to the power wire on the distributor?
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