Operation CHARM: Car repair manuals for everyone.

Ignition Coil

Primary voltage (Battery voltage) 11 - 14 Volts (V)
Primary resistance 0.5 - 1.0 at 25 Ohms At Degrees Celsius (ohms @ deg C)
Secondary resistance Approx. 25 at 25 Kilo Ohms At Degrees Celsius (K ohms @ deg C)