1991 Plymouth Colt Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Power Transistor (Stealth & 3000GT)

When testing power transistor, refer to POWER TRANSISTOR TESTING (STEALTH & 3000GT)Β  table.

Fig 1: Power Transistor Connector ID (Stealth & 3000GT)
G91B16460Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
POWER TRANSISTOR TESTING (STEALTH & 3000GT) (1)

Cylinders No. Tested (2) Analog Ohmmeter Connected Between Terminals (No 1.5 V Battery) (2) With 1.5 V Battery Connected Between Terminals
1 & 4 3 & 7: No Continuity 6 & 7: Continuity
2 & 5 2 & 7: No Continuity 5 & 7: Continuity
3 & 6 1 & 7: No Continuity 4 & 7: Continuity
(1) All tests performed with power transistor disconnected. Replace power transistor if it does not test as described.
(2) See Fig 1 for terminal identification.
Factory Service Tools

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When to See a Mechanic

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

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

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