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Aftermarket Tach
ok so I have a 2010 cobalt with the 4 individual coils each have 4 wires to them 3 common on each and 1 different color on each from my research it appears that is my signal wire I have my autometer tach installed and signal wire hooked to that wire on one of the coils but my tach is nowhere...- lowe1409
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- Forum: Engine/ Performance
