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Home >> Mitsubishi >> 1991 >> Eclipse GSX, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Ignition Checks >> DISTRIBUTORLESS Ignition System (Dis) >> Power Transistor (Eclipse)
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Power Transistor (Eclipse)

  1. Disconnect power transistor connector. Using an analog ohmmeter, connect positive ohmmeter lead to terminal No. 7 and negative lead to terminal No. 3. See Fig 1 . Ensure there is no continuity.
    Fig 1: Power Transistor Connector ID (Eclipse)
    G90I15352Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  2. Using a 1.5-volt dry cell battery, connect positive end of 1.5-volt battery to power transistor terminal No. 6 and negative end to terminal No. 3. Ohmmeter should now read continuity between power transistor terminals No. 7 and No. 3.
  3. Connect positive end of 1.5-volt battery to power transistor terminal No. 2 and negative end to terminal No. 3. Connect positive ohmmeter lead to terminal No. 1 and negative lead to terminal No. 3. Ohmmeter should read continuity. Replace power transistor if it does not test as described.