CHT (Cylinder Head Temp Sensor)

FORD 4.6 98-11 CHT (Cylinder Head Temp Sensor) Wiring Harness Removal.

  • Unplug the sensor wiring from right front of the engine as shown in image 1.

  • Remove the intake or alternator to access the sensor so it can be unplugged.

  • Place wiring pigtail in the box with your harness.

Installing a simplified harness and tuned ECM for 98-02 Crown Vic/Grand Marquis. The P71 harness and ECM include wiring for the MAF and air temperature sensor.

FORD 4.6 98-11 CHT (Cylinder Head Temp Sensor) Wiring Harness Install.

  • Plug the pigtail into the black connector located on the engine harness.

  • Remove your CHT sensor or consider purchasing a new one if necessary. The CHT sensor will connect to the designated white connector and will need to be routed inside the car for proper installation.