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coils and no tach

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Old 03-25-02, 11:03 PM
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coils and no tach
Could bad coils cause a jumpy or no tach signal????
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Old 03-26-02, 07:53 AM
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Old 03-26-02, 12:08 PM
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Old 03-26-02, 05:42 PM
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Old 03-26-02, 11:02 PM
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once again... someone has to know
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Old 03-26-02, 11:27 PM
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Old 03-27-02, 12:24 AM
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where does the tach get its signal from?
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Old 03-27-02, 10:47 AM
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you can get a signal for rpm's from the IG- terminal in the diagnostic box on driver side in engine bay. maybe try running a wire from it to the tac and see if it reads. try starting there.
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Old 03-27-02, 10:49 AM
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hmm, so if i tapped into that terminal, where would i run it into the tach at???
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Old 06-02-02, 11:43 AM
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the signal comes from the crank angle sensor i think
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