Differences
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techtalk:ih:engctl01 [2023/12/30 03:28] hippysmack |
techtalk:ih:engctl01 [2024/05/05 02:12] ixl2relax [Spark Coil] |
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| ===== Spark Coil ===== | ===== Spark Coil ===== | ||
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| + | **Coil Spec for Points Ignition** | ||
| + | * Resistances on a Points-based Ignition Coil should be: | ||
| + | * Primary: 4.7-5.5 Ohms | ||
| + | * Secondary: 16,000-20,000 Ohms | ||
| + | |||
| **Coil Mix-up on 1973-1974 Models** | **Coil Mix-up on 1973-1974 Models** | ||
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| **Failed Coils on 1980 Models** | **Failed Coils on 1980 Models** | ||
| - | * A quantity of ignition coils (31609-80) used on all 1980 models, failed at low mileage. The problem was an internal breakdown of the windings within the coil. This is a failure that could lead to poor vehicle performance and a possible fouled spark plug. ((HD Service Bulletin #M-793 dated July 3, 1980)) | + | * A quantity of ignition coils (31609-80) used on all 1980 models (electronic ignition system), failed at low mileage. The problem was an internal breakdown of the windings within the coil. This is a failure that could lead to poor vehicle performance and a possible fouled spark plug. ((HD Service Bulletin #M-793 dated July 3, 1980)) |
| * Upon inspection of an ignition related failure, follow the diagnostic procedure outlined in the service manual. Inspect the primary and secondary coil resistance with an ohmmeter. | * Upon inspection of an ignition related failure, follow the diagnostic procedure outlined in the service manual. Inspect the primary and secondary coil resistance with an ohmmeter. | ||
| - | * Resistances should be: | + | * Resistances on an Electronic Ignition Coil should be: |
| * Primary: 3.3-3.7 Ohms | * Primary: 3.3-3.7 Ohms | ||
| * Secondary: 16500-19500 Ohms | * Secondary: 16500-19500 Ohms | ||
