FixVault

Ignition Coil Resistance

Disconnect electrical connector and high tension coil wire from ignition coil. Using ohmmeter, measure primary and secondary resistance. See Fig 1 . Replace ignition coil if resistance readings are not within specification. See IGNITION COIL RESISTANCE table.

IGNITION COIL RESISTANCE Ohms@68°F (20°C)

Application Primary Secondary
Storm & Storm GSi 1.30-1.60 10,400-14,000
Fig 1: Measuring Ignition Coil Resistance
G91F16357Courtesy of GENERAL MOTORS CORP.