Ignition Coil Resistance Test

1994 Plymouth Sundance Duster, 2D Hatchback, 2.5 K, AutomaticSECTION Ignition Coil Resistance Test
  1. Remove ignition cables, and measure their resistance (3000-12,000 ohms per foot). Replace cable(s) if necessary. Disconnect ignition coil harness connector. Measure primary coil resistance between B+ (battery) terminal and pin corresponding to cylinder(s) in question. See Figure .
  2. Measure secondary coil resistance between coil towers of grouped cylinders. See CYLINDER GROUP IDENTIFICATION table. Replace ignition coil if primary/secondary coil resistance is not as specified. See IGNITION COIL RESISTANCE table under IGNITION COIL.
CYLINDER GROUP IDENTIFICATION

Application Grouped Cylinders
3.3L & 3.5L 1 & 4; 2 & 5; 3 & 6
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.