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Discussion Starter · #1 ·
Im currently Restoring My 1978 T/A and I am having issues figuring out why my tachometer is not working. All the other guages work. Any idea?
 

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Discussion Starter · #3 ·
I cut out the original in-line fuse and put in a new modern in-line fuse and the Tach still does not work. Could it be the gauge cluster circuit board?
 

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1994 Firebird Formula 381ci LT1 / TH400+GV O/D
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“Mikeywhoopie“ hasn’t been seen on this site since 2013.
 

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i figured it out, it was just me having two bad Tachometers, following a bad ground, following a bad fuse connection. Just waiting on some small parts to come in.
 
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