i was wondering if i need a tach adapter to hook up a tach in my car i had a shift light and i didnt have one but i didnt know if i need on to hook up the tach
i tried hooking up a light and my car has a tach but i couldnt get it to work... other then a tach adaptor i have no clue... its still installed on my dash sitting there never to blink..
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98' Pontiac Sunfire SE