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

Inspection
Using accurate tester, inspect the following items, and replace if defective.

Caution: If the resistance is extremely low, this indicates the presence of a short-circuit.






1. Primary resistance
Between No. 1 and No. 2 0.69 Ohms ±10%
Between No. 2 and No. 3 0.69 Ohms ±10%

2. Secondary coil resistance
Between (1) and (2) 21.0 K Ohms ±15%
Between (3) and (4) 21.0 K Ohms ±15%

3. Insulation between primary terminal and case 10 Megaohms +