Thanks Bill.

I'm using a multimeter. I assume this is done with no battery power connected to the unit?

Also, is the .5 - 4 ohm applicable to both 6v and 12v coils?

Is there a way to tell the difference between a 6v and 12v coil if there are no markings on it? Does it matter?

1950 Chevrolet 3100 (Ol' Roy)

1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)