Thread: erratic tach
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xbmwguy xbmwguy is offline
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Join Date: Apr 2008
Location: west palm beach fla
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erratic tach

need some help on my tach in my 87 930. worked fine yesterday, yet when i started this am (it was a freezing cold 45 in sunny so. fla) the tach was dead which has happened before only to work fine within a min. or two yet today it was all over the map. icecked voltage at the battery which was 13.6 . i tapped the tach with fingers and it moved. could this be a loose ground behind tach? i checked other ground spots ...thanks guys
Old 03-03-2009, 05:49 AM
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