For full engine wiring, use this structured breakdown to trace your inputs and outputs efficiently. Sensor Inputs (Data Gathering) Mass Air Flow (MAF) Sensor Signal Pin 39: Engine Coolant Temperature (ECT) Sensor Signal Pin 40: Throttle Position Sensor (TPS) Signal Pin 53: Crankshaft Position Sensor (CKP) Signal (+) Pin 70: Crankshaft Position Sensor (CKP) Signal (-) Pin 75: Camshaft Position Sensor (CMP) Signal Pin 28: Knock Sensor Signal (+) Pin 29: Knock Sensor Signal (-) Pin 18: Oxygen Sensor (Lambda) Signal Input Actuator Outputs (Engine Control) Pin 1: Ignition Coil Cylinder 1 & 4 Control Output Pin 20: Ignition Coil Cylinder 2 & 3 Control Output Pin 2: Fuel Injector Cylinder 1 Control (Ground Switching) Pin 3: Fuel Injector Cylinder 2 Control (Ground Switching) Pin 4: Fuel Injector Cylinder 3 Control (Ground Switching) Pin 5: Fuel Injector Cylinder 4 Control (Ground Switching) Pin 68: Idle Air Control (IAC) Valve Motor Control
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