Electrical & Engine Management
Ignition & EEC-IV Engine Management
To ignite all six cylinders at the exact millisecond for peak torque and clean emissions, the 1994 F-150 links a camshaft-driven Hall-effect distributor and high-voltage E-core coil to Ford’s 60-pin EEC-IV Powertrain Control Module and speed-density sensor harness.
- Engine Computer
- Ford EEC-IV 60-Pin PCM (F4TF-12A650) · Speed-Density
- Crank/Cam Position Sensor
- Internal Hall-Effect PIP Stator (6-vane shutter wheel)
- Base Ignition Timing
- 10° BTDC (with inline SPOUT jumper unplugged)
- Secondary Spark Output
- E-Core Coil (DG-470) · 8 mm silicone wires · 1–5–3–6–2–4
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Parts Catalog
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Part Assemblies in Ignition & EEC-IV
Gear-Driven TFI-IV Distributor & Hall-Effect PIP Sensor
Camshaft-driven 6-vane shutter wheel and Hall-effect magnetic pickup that give the computer exact crank angle and RPM.
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E-Core Ignition Coil, 8mm Silicone Wires & Spark Plugs
Steps 12-volt battery power up to 40,000 volts through magnetic field collapse and fires six copper-core resistor spark plugs.
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60-Pin EEC-IV Computer (PCM), Sensors & Wiring Harnesses
Ford’s 16-bit Intel 8061 powertrain computer and the network of temperature, throttle, and vacuum sensors that feed it.
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