Ignition Coil Resistance
- Disconnect ignition coil connector. Ignition coil is located on top of engine, between valve covers and contains a 3-pin connector. See Fig 1 .
- To check ignition coil primary resistance, use ohmmeter and check resistance between terminals No. 1 and 3 on ignition coil connector for cylinders No. 2 and 3. See Fig 2 .
- Check resistance between terminals No. 2 and 3 on ignition coil connector for cylinders No. 1 and 4. Replace ignition coil if resistance is not .70-.86 ohm.
- To check ignition coil secondary resistance, use ohmmeter and check resistance between appropriate spark plug wire terminals on ignition coil for specified cylinders. See Fig 3 . Replace ignition coil if resistance is not 11,300-15,300 ohms.