Operation CHARM: Car repair manuals for everyone.

With Distributor

IGNITION COIL RESISTANCE
(Vehicles with a distributor only.)

Primary Resistance 0.3 - 0.5 ohms
Secondary Resistance 7,000 - 9,000 ohms

NOTE: Primary resistance measured between the two coil primary power wires on each coil.

NOTE: Secondary resistance measured across each coil's two towers with coil removed from vehicle.