FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Ignition Coil: Testing and Inspection


INSPECTION

INSPECT IGNITION COILS
(a) Disconnect the high-tension cords from the ignition coils.
(b) Disconnect the ignition coil connectors.





(c) Using an ohmmeter, measure the primary coil resistance between the positive (+) and negative (-) terminals.





Primary coil resistance

If the resistance is not as specified, replace the ignition coil.





(d) Using an ohmmeter, measure the secondary coil resistance between the positive (+) and high-tension terminal.





Secondary coil resistance

If the resistance is not as specified, replace the ignition coil.
(e) Connect the ignition coil connectors.
(f) Connect the high-tension cords to the ignition coils.