Power Transistor (Fuel Injected Models)

1990 Eagle Summit Base, StandardSECTION 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 3 . 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: All Models Except Ram-50 3.0L Ignition Coil Terminal Identification (Magnetic & Optical Ignition)
G90C15356Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.