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Power Transistor

  1. Remove connector from power transistor. Using a DVOM, place positive lead of ohmmeter to terminal No. 2 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 transistor terminal No. 1 and negative end of 1.5-volt battery to transistor terminal No. 2. Place positive lead of DVOM to terminal No. 2 and negative lead to terminal No. 3 to ensure continuity is present. If DVOM does not respond properly, replace power transistor.
Fig 1: Power Transistor Connectors Identification
G120115Courtesy of CHRYSLER MOTORS.
IGNITION COIL RESISTANCE - Ohms @ 68°F (20°C)

Application Primary Secondary
1.5L .72-.88 10.3-13.9
1.6L .77-.95 10.3-13.9
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