Well it depends on the type of ignition you are useing.One side of the tach gets ignition power(with key on)and the other side goes to the "tach" terminal(at the dist cap)on an HEI type distributor or the (-) side of the coil on a point set up.
Wanted Good Woman:
Must be able to cook , clean , sew , tune engines and polish trucks. Must have old Stovebolt and garage. Please send picture of old Stovebolt and garage.
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