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Power Transistor

  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.
  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.
Fig 1: Power Transistor Connector Identification (DIS Models)
G90A17400Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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