Has anyone ever wired up a tachometer to a alternator? One of my friends at school got his dad to do it to his chevy blazer and it worked fine, but he doesn't know how to wire it to the alt.
Would I be able to hook up a tachometer to my alternator or does anyone on here know how to do it???
(imagines his luv with a tach. in the window

)
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-Old ride-82 Luv diesel 5spd with some upgrades
-Past rides-82 Sierra, 78 Coupe De'Ville, 91 2dr Blazer, 86 RX7, 86 Porsche 944T (rear-ended and totaled)
-Curr. rides- 1970 Ford LTD 4dr, 390 4Bbl, 2nd owner! With a few Extras

00' Civic beater...