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Re: Install thread- Holley EFI Sniper on '72 402 big block
If your wiring isn’t good go the tach signal the EFI will never fire off. Also check connections on battery. Ask me how I know hahaha. On the Nova I did last Sniper install on it would randomly shut off or not start. Battery connections from efi directly to battery from efi had high resistance just in the terminals. Very strange. Replaced them all problems went away.
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