Control Module Check

Be sure all ignition system wires and connectors are properly connected. Disconnect coil-to-distributor high voltage wire at the distributor. Hold wire about 1/4" from a good engine ground, using insulated pliers. See Fig 1.

Fig 1: Coil Wire Hookup for Making Control Module Check
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If no sparks appear at gap, replace control module.
Crank engine and check for sparks at gap to ground. If previous tests have disclosed no problem and no spark exists at gap, replace control module.