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Module Test No. 1

  1. Disconnect 3-wire connector at distributor cap. Connect Analyzer (J-24642) to module side of distributor connector. Connect analyzer ground clip to ground. Connect analyzer battery clips to battery.
  2. Connect a voltmeter to analyzer 2-wire connector. Turn ignition on. Voltmeter reading should be zero volts. Press and hold test button down on analyzer. Voltmeter should read zero volts. If voltmeter indicates voltage, replace module. See Fig 1.
  3. Disconnect voltmeter. Crank engine while holding test button down on analyzer. A momentary Red light, then a continuous Green light will indicate a good module and pick-up coil. If Red light stays on, proceed to TEST NO. 2.
Fig 1: Analyzer Connections for Module Test No. 1
G09321081Courtesy of GENERAL MOTORS COMPANY
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