Tachometer issue - Cadillac Forum - Enthusiast forums for Cadillac Owners

Tachometer issue

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Old 11-26-2017, 02:54 PM
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Default Tachometer issue

My 90 Allante has a tachometer that won't control itself. It flickers on and off, gives crazy readings, and sometimes works fine. All the other gauges are OK.
I don't know where to start to look but I'm quessing somewhere at the distributer. Any ideas?
 
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Old 11-26-2017, 05:43 PM
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To me an erratic output (reading) would be indicative of a intermittent short or a loose connection. It could even be a bad battery/battery connection. I doubt that it is the distributor.
 
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