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Home >> International >> 1980 >> Scout II 2D Pickup, 5.7L Eng, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Ignition System >> PRESTOLITE Electronic BREAKERLESS Ignition >> Testing >> Coil Operation Check

Coil Operation Check

  1. Remove coil wire from distributor cap. Hold end of coil wire 1/2" from engine ground. See Fig 1.
    Fig 1: Checking Ignition Coil Operation
    G09336935Courtesy of NOT AVAILABLE
  2. Turn ignition switch "ON". Check for spark across gap each time blade of small screwdriver contacts face of sensor.
  3. If spark does not occur across gap when screwdriver blade contacts sensor, coil is inoperative and must be replaced.
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