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Power Transistor (Fuel Injected Models)

  1. Disconnect power transistor connectors. Using a DVOM, connect positive ohmmeter lead to terminal No. 2 and negative lead to terminal No. 3. See Fig 5 . 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. 1 and negative end to terminal No. 2. DVOM should now read continuity at power transistor terminals No. 2 and No. 3. If DVOM does not respond as described, replace power transistor.
    Fig 1: Ignition Coil Terminal Identification (Magnetic & Optical Ignition)(Eclipse, Mirage 1.5L, Pickup 2.4L & Precis)
    G90C15356Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 2: Ignition Coil Terminal Identification (Magnetic & Optical Ignition)(Galant, Montero 3.0L & Pickup 3.0L)
    G90D15357Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 3: Ignition Coil Terminal Identification (Magnetic & Optical Ignition)(Montero 2.6L)
    G90E15358Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 4: Ignition Coil Terminal Identification (Magnetic & Optical Ignition)(Van/Wagon)
    G90F15359Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 5: Testing Power Transistor (Magnetic & Optical Ignition)
    G90A15354Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.