1st Generation Specific 1979-1985 Discussion

tach not working

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Old 02-06-2008, 12:18 AM
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hey my tach quit working. i have checked all connections to trailing ignition, and to the cluster, i am getting spark from all plugs, and have replaced all coils and ignitors. any ideas on what i should check next?
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Old 02-06-2008, 09:54 AM
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Old 02-06-2008, 10:35 AM
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I have another question about tachs. The tach in my car does move at all or move very much when the ambient temp is under say 30 degress. But, once the car is fully warmed up and the cabin is warm the tach is back to normal. The coils are new.
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Old 02-06-2008, 11:09 AM
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I've seen that before... I can't remember what triggers it though...



But I would go back over and check your grounds.
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Old 02-16-2008, 05:44 PM
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Originally Posted by SEDave' post='893759' date='Feb 6 2008, 08:35 AM
I have another question about tachs. The tach in my car does move at all or move very much when the ambient temp is under say 30 degress. But, once the car is fully warmed up and the cabin is warm the tach is back to normal. The coils are new.
Last time I had that problem it was a bad tachometer
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