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Power Transistor

  1. Disconnect power transistor connector. Using a 1.5-volt dry cell battery, connect negative end of 1.5-volt battery to terminal No. 5 of power transistor and positive end to terminal No. 6. See Fig 1 .
  2. Using an analog ohmmeter, check for continuity between terminals No. 5 and 8 of power transistor. Continuity should exist. With positive end of 1.5-volt battery disconnected, there should be no continuity. Replace power transistor if it fails test.
    Fig 1: Identifying Power Transistor Connectors
    G93F78183Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.