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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.

Fig 1: Measuring Ignition Coil Resistance
G91F16357Courtesy of GENERAL MOTORS CORP.
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