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Google says "For a Ford Fiesta MK6, the throttle pedal sensor (also known as the accelerator pedal position sensor or APP sensor) typically uses three wires: a 5-volt reference, a ground, and a sensor signal wire. Pin locations can vary slightly, but the general wiring is a yellow/orange wire from pin 5 on the APP to C1-A2 on the PCM, and a blue/grey signal wire (twisted with a yellow/green ground wire) from pin 2 on the APP to pin 1 on connector C12".