GM Service Manual Online
For 1990-2009 cars only

Left Side Harness Connections


    Object Number: 1787219  Size: SH
  1. Install the engine wiring harness to the engine.

  2. Object Number: 927839  Size: SH
  3. Connect the engine wiring harness to the left side fuel injectors.

  4. Object Number: 927781  Size: SH
  5. Connect the engine wiring harness to the left camshaft cover.

  6. Object Number: 927828  Size: SH
  7. Connect the engine wiring harness to the left ignition coil harness.

  8. Object Number: 927792  Size: SH
  9. Connect the engine wiring harness to the left camshaft position sensors.

  10. Object Number: 927862  Size: SH
  11. Connect the engine wiring harness to the EVAP purge solenoid.

  12. Object Number: 927869  Size: SH
  13. Connect the engine wiring harness to the throttle position sensor on the throttle body.
  14. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 927874  Size: SH
  15. Connect the starter motor wiring harness to the generator stud.
  16. Install the nut attaching the starter motor wiring harness to the generator stud.
  17. Tighten
    Tighten the generator stud nut to 20 N·m (15 lb ft).


    Object Number: 927844  Size: SH
  18. Connect the engine wiring harness to the generator.

  19. Object Number: 927853  Size: SH
  20. Connect the engine wiring harness to the oil pressure sensor.

  21. Object Number: 927859  Size: SH
  22. Connect the engine wiring harness from the oxygen sensor wiring harness.

  23. Object Number: 927864  Size: SH
  24. Connect the engine wiring harness to the starter motor wiring harness.

  25. Object Number: 927773  Size: SH
  26. Install the bolt and nut retaining the engine wiring harness to the engine block.
  27. Tighten
    Tighten the engine wiring harness bolt and nut to 35 N·m (26 lb ft).

  28. Install the engine wiring harness ground bolt at the front of the engine block.
  29. Tighten
    Tighten the engine wiring harness ground bolt to 35 N·m (26 lb ft).


    Object Number: 927870  Size: SH
  30. Install the engine wiring harness ground bolt at the rear of the engine block.
  31. Tighten
    Tighten the engine wiring harness ground bolt to 12 N·m (106 lb in).


    Object Number: 1254575  Size: SH
  32. Install the bolt retaining the engine wiring harness to the left camshaft position actuator housing.
  33. Tighten
    Tighten the engine wiring harness bolt to 35 N·m (26 lb ft).

Right Side Harness Connections


    Object Number: 927838  Size: SH
  1. Connect the engine wiring harness to the right side fuel injectors.

  2. Object Number: 927778  Size: SH
  3. Connect the engine wiring harness to the right camshaft cover.

  4. Object Number: 927822  Size: SH
  5. Connect the engine wiring harness to the right ignition coil harness.

  6. Object Number: 927790  Size: SH
  7. Connect the engine wiring harness to the right camshaft position sensors.

  8. Object Number: 927871  Size: SH
  9. Install the engine wiring harness ground to the fuel rail stud.
  10. Install the engine wiring harness ground nut to the fuel rail stud.
  11. Tighten
    Tighten the engine wiring harness ground nut to 8 N·m (71 lb in).


    Object Number: 927819  Size: SH
  12. Connect the engine wiring harness to the ECT sensor at the rear of the right cylinder head.

  13. Object Number: 927786  Size: SH
  14. Connect the engine wiring harness to the air conditioning compressor.

  15. Object Number: 927850  Size: SH
  16. Connect the engine wiring harness to the MAP sensor.

  17. Object Number: 927798  Size: SH
  18. Connect the engine wiring harness to the knock and crankshaft position sensor wiring harness.

  19. Object Number: 927846  Size: SH
  20. Connect the engine wiring harness to the oil level sensor.

  21. Object Number: 927856  Size: SH
  22. Connect the engine wiring harness to the right oxygen sensor wiring harness.

  23. Object Number: 927770  Size: SH
  24. Install the engine wiring harness bracket bolt to the engine block.
  25. Tighten
    Tighten the engine wiring harness bracket bolt to 35 N·m (26 lb ft).