Ford Mustang (1999-2004) Service Manual: Fuel Charging Wiring Harness

Removal and Installation

WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel related components. Highly flammable mixtures are always present and can ignite. Failure to follow these instructions can result in personal injury.

1. Disconnect the battery ground cable.

2. Remove the exhaust gas recirculation (EGR) valve and the exhaust manifold to EGR valve tube. For additional information, refer to Section.

3. Remove the bolts and the LH ignition coil cover.

Fuel Charging Wiring Harness

4. Disconnect the LH ignition coil electrical connectors.

Fuel Charging Wiring Harness

5. Disconnect the barometric pressure (BARO) sensor electrical connector.

Fuel Charging Wiring Harness

6. Remove the PCV valve.

Fuel Charging Wiring Harness

7. Disconnect and remove the PCV hose.

Fuel Charging Wiring Harness

8. Disconnect the camshaft position (CMP) sensor electrical connector.

Fuel Charging Wiring Harness

9. Disconnect the engine coolant temperature (ECT) sensor electrical connector and unclip the harness from the stud.

Fuel Charging Wiring Harness

10. Remove the fuel charging wiring harness bracket bolt.

Fuel Charging Wiring Harness

11. Disconnect the following:

  • The 42-pin engine bulkhead electrical connector.
  • The 16-pin electrical connector.

Fuel Charging Wiring Harness

12. Separate the wiring harness from the dash panel.

Fuel Charging Wiring Harness

13. Remove the air cleaner outlet pipe. For additional information, refer to Section.

14. Disconnect the throttle position (TP) and the idle air control (IAC) valve electrical connectors.

Fuel Charging Wiring Harness

15. Disconnect the accelerator cable, and if equipped, the speed control cable.

Fuel Charging Wiring Harness

16. Remove the nuts and the throttle body spacer assembly.

Fuel Charging Wiring Harness

17. Remove the bolts and the RH ignition coil cover.

Fuel Charging Wiring Harness

18. Disconnect the RH ignition coil electrical connectors.

Fuel Charging Wiring Harness

19. Disconnect the transmission main control harness electrical connector.

Fuel Charging Wiring Harness

20. Raise and support the vehicle. For additional information, refer to Section.

21. Disconnect the RH heated oxygen sensor (HO2S) electrical connector.

Fuel Charging Wiring Harness

22. Disconnect the crankshaft position (CKP) sensor electrical connector.

Fuel Charging Wiring Harness

23. Disconnect the air conditioning compressor electrical connector.

Fuel Charging Wiring Harness

24. Unclip the harness from the bracket.

Fuel Charging Wiring Harness

25. Lower the vehicle.

26. NOTE: LH side shown, RH side similar.

Disconnect the two radio ignition interference capacitor electrical connectors.

Fuel Charging Wiring Harness

27. Disconnect the eight fuel injectors

Fuel Charging Wiring Harness

28. Separate the harness from the fuel supply manifold studs in four places and remove the fuel charging wiring harness from the vehicle.

Fuel Charging Wiring Harness

29. To install, reverse the removal procedure.

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