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Home >> Jeep >> 1985 >> Cherokee Base, 2D Utility, 2.5 U, RWD, Automatic >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System - Solid State >> Testing >> Ignition Coil Resistance Check >> Secondary Resistance
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Secondary Resistance

  1. Turn ignition switch "OFF". Set ohmmeter to high scale (x1000 scale). Connect one lead to coil negative terminal and other lead to coil tower (remove coil secondary wire).
  2. Ohmmeter reading should be 7700-9300 ohms with coil temperature at 75°F (24°C). With coil temperature at 200°F (93°C) or above, a maximum reading of 12,000 ohms is acceptable.
Fig 1: Solid State Ignition Connectors Terminals are identified for testing purposes.
G10004
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