Help! Tach Signal Disappears - Holley HP EFI

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Help! Tach Signal Disappears - Holley HP EFI

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08-05-2017, 07:06 AM

dhutton

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Looks like Holley has programmable detection level and filtering for the crank signal. I can tell you that incorrectly setting one or both of these could very easily cause your problems.

http://documents.holley.com/199r10676rev.pdf

Minimum signal voltage and Filtering in the above document.

Don

Last edited by dhutton; 08-05-2017 at 07:08 AM.

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