Ignition Coil

1966 Mercury Montclair 6.4L Eng VIN Z, Not Available TransSECTION Ignition Coil
Standard Ignition

Primary Resistance (Ohms) 1.40-1.54 at 75°F
Secondary Resistance (Ohms) 8000-8800 at 75°F
Primary Resistance Wife (Ohms) 1.30-1.40 at 75°F
Current Draw (Amps.) 2.5 idling, 4.5 stopped
Transistor Ignition

Primary Resistance (Ohms) .226-.252 at 75°F
Secondary Resistance (Ohms) 4900-5680 at 75°F
Primary Resistance Wire (Ohms) (1) .30-.36 at 75°F
Current Draw (Amps.) 4.0 idling, 5.0 Stopped
(1) In ballast resistor block. By-passed during starting.
RENDER: 1.0x

NO RELATED

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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.