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Distributor Trigger Unit

  1. Disconnect cable from fuel pump relay terminal No. 85. Disconnect negative "VE" terminal from ignition coil. Separate in-line connector to distributor trigger unit.
  2. Connect ohmmeter between terminals No. 21 and 12 on distributor side of in-line connector. Crank engine. Ohmmeter should show even swing between low resistance (a current limiting resistor is fitted inside trigger unit) and very high resistance.
  3. Connect ohmmeter to terminals No. 22 and 12, an identical result should be obtained. If meter reading remains steady during cranking or if the swing is uneven or intermittent, the trigger unit should be replaced.
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