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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 readings are not within specification. See IGNITION COIL RESISTANCE table.

IGNITION COIL RESISTANCE

Application Primary Secondary
Storm & Storm GSi 1.20-1.50 10,200-13,800
Fig 1: Measuring Ignition Coil Resistance
G91F16357Courtesy of GENERAL MOTORS CORP.