GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 STS 🢒 Engine 🢒 Engine Mechanical - 4.6L (LH2) 🢒 Engine Wiring Harness Assembly Installation

Left Side Harness Connections

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

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

    3. Object Number: 927828 Size: SH
  3. Connect the engine wiring harness to the left coil assembly harness.

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

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

    6. Object Number: 927869 Size: SH
  6. Connect the engine wiring harness to the throttle position sensor on the throttle body.

    7. Object Number: 1346039 Size: SH
  7. Connect the engine wiring harness to the air conditioner compressor.

    8. Object Number: 1346041 Size: SH
  8. Connect the engine wiring harness to the oil pressure sensor.

    9. Object Number: 1346043 Size: SH
  9. Connect the engine wiring harness to the low level oil switch.

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
  2. Connect the engine wiring harness to the right camshaft cover.

    3. Object Number: 927822 Size: SH
  3. Connect the engine wiring harness to the right coil assembly harness.

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

    5. Object Number: 927871 Size: SH
  5. Connect the engine wiring harness ground to the intake manifold stud.

    6. Notice: Refer to Fastener Notice in the Preface section.

  6. Install the engine wiring harness ground nut.

    7. Tighten
    Tighten the engine wiring harness ground nut to 10 N·m (89 lb in).


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

    8. Object Number: 1346050 Size: SH
  8. Connect the engine wiring harness to the generator.

    9. Object Number: 1346047 Size: SH
  9. Connect the starter motor wiring harness to the generator.
  10. Install the starter motor wiring harness generator nut.

    11. Tighten
    Tighten the starter motor wiring harness generator nut to 10 N·m (89 lb in).


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

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

    13. Object Number: 1346053 Size: SH
  13. Install the engine wiring harness bracket to the side of the right cylinder head.
  14. Install the engine wiring harness bracket bolts.

    15. Tighten
    Tighten the engine wiring harness bracket bolts to 45 N·m (33 lb ft).