Gm Hei Tachometer Wiring Diagram Picture. You hook the wire coming off the tach to your tachometer in your truck. Gm hei ignition distributor wiring replacing an antiquated chevy sbc and bbc firing order install question the spark plug wire team chevelle conversion hot rod minimum required to start help small cap ford 5 0l 302 efi carb large for tbi engine third remote coil connections 1947 electronic 350 ci with dizzy.
If you look at the top of the hei distributor it has a label on it that says bat and tach. You hook the wire coming off the tach to your tachometer in your truck. Gm hei tachometer wiring diagram free picture.
If so the tach connection is next to the power feed connection.
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