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Ignition Coil Resistance

  1. Using a DVOM, measure primary coil resistance between positive and negative terminals of coil. See Fig 1 . For ignition coil terminal identification See Fig 3 -Fig 5 .
  2. Measure secondary coil resistance between coil positive terminal and ignition coil tower. See Fig 2 .
  3. Primary and secondary coil resistance should be within specification. See IGNITION COIL RESISTANCE  table.
    Fig 1: Testing Ignition Coil Primary Resistance (6-Cylinder)
    G91F16456Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 2: Testing Ignition Coil Secondary Resistance (6-Cylinder)
    G91G16457Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 3: Ign Coil Term ID (Colt, Eclipse, Mirage 1.5L, P/U & Ram 50 2.4L)
    G90C15356Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 4: Ign Coil Term ID (Colt Vista, Galant 2.0L SOHC & Montero, P/U & Ram 50 3.0L)
    G90D15357Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 5: Ignition Coil Terminal ID (Stealth & 3000GT)
    G91C16461Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    IGNITION COIL RESISTANCE - Ohms @ 68°F (20°C)

    Application Primary Secondary
    1.5L (VIN A) .9-1.2 20,000-29,000
    1.8L (VIN T)
    Except Eclipse .72-.88 10,300-13,900
    Eclipse .90-1.2 19,000-27,000
    2.0L (VIN V) .72-.88 10,800-13,200
    2.4L (VIN W) .72-.88 10,300-13,900
    3.0L (VIN B & C) .67-.81 11,300-15,300
    3.0L (VIN S) .72-.88 10,300-13,900
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