Fuel Injector Wiring Harness: Service and Repair

REMOVAL
1. Disconnect the battery ground cable. For additional information, refer to Battery.
2. Remove the upper and lower intake manifolds. For additional information, refer to Engine.







3. Disconnect the three (LH) fuel injector electrical connectors.

NOTE: One connector is shown, the other two are similar.







4. Disconnect the (RH) fuel injector electrical connector.







5. Disconnect the engine bulkhead electrical connector.







6. Disconnect the Powertrain Control Module (PCM) electrical connector.
7. Disconnect the Heated Oxygen Sensor (HO2S) connectors.







8. Disconnect the electrical connectors.
^ ignition coil
^ radio ignition interference capacitor







9. Disconnect the electrical connectors.
^ Engine Coolant Temperature (ECT) sensor
^ water temperature indicator sender unit







10. Disconnect the backpressure transducer electrical connector.







11. Disconnect the Camshaft Position (CMP) sensor electrical connector.







12. Disconnect the Crankshaft Position (CKP) sensor electrical connector.
13. Remove the wiring harness from the vehicle.

INSTALLATION
1. To install, reverse the removal procedure.