Pigtail Wiring Guide for 73 Powerstroke ICP Sensor
Introduction
This guide provides step-by-step instructions on how to correctly wire a pigtail harness for an ICP (Injection Control Pressure) sensor on a 2001 73 Powerstroke engine.
Step 1: Identifying the Wires
The replacement pigtail harness typically comes with three green wires that look identical. However, they serve different functions: * **Signal Wire:** This wire is used to transmit the ICP signal to the PCM (Powertrain Control Module). * **Ground Wire:** This wire provides a ground connection for the sensor. * **Power Wire:** This wire supplies power to the sensor.
Step 2: Connecting the Signal Wire
Locate the signal wire on the ICP sensor. It is usually labeled with a blue or yellow stripe. Connect the signal wire from the pigtail harness to this wire.
Step 3: Connecting the Ground Wire
Locate a suitable grounding point on the engine. Clean the surface to ensure a good connection. Connect the ground wire from the pigtail harness to the grounding point.
Step 4: Connecting the Power Wire
Locate the power wire on the ICP sensor. It is usually labeled with a red or pink stripe. Connect the power wire from the pigtail harness to this wire.
Step 5: Securing the Harness
Once all the wires are connected, secure the pigtail harness to the engine using zip ties or electrical tape. This will prevent the harness from moving or becoming damaged.
Conclusion
By following these steps, you can correctly wire a pigtail harness for an ICP sensor on a 2001 73 Powerstroke engine. This will ensure proper operation of the ICP sensor and the overall fuel injection system.
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