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

Left Side Harness Connections

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

    2. Object Number: 927781 Size: SH
  2. Disconnect the engine wiring harness from the left camshaft cover.

    3. Object Number: 927828 Size: SH
  3. Disconnect the engine wiring harness from the left ignition coil harness.

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

    5. Object Number: 927862 Size: SH
  5. Disconnect the engine wiring harness from the EVAP purge solenoid.

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

    7. Object Number: 927874 Size: SH
  7. Remove the nut attaching the starter motor wiring harness to the generator stud.
  8. Disconnect the starter motor wiring harness from the generator stud.

    9. Object Number: 927844 Size: SH
  9. Disconnect the engine wiring harness from the generator.

    10. Object Number: 927853 Size: SH
  10. Disconnect the engine wiring harness from the oil pressure sensor.

    11. Object Number: 927859 Size: SH
  11. Disconnect the engine wiring harness from the oxygen sensor wiring harness.

    12. Object Number: 927864 Size: SH
  12. Disconnect the engine wiring harness from the starter motor wiring harness.

    13. Object Number: 927773 Size: SH
  13. Remove the bolt and nut retaining the engine wiring harness to the engine block.
  14. Remove the engine wiring harness ground bolt at the front of the engine block.

    15. Object Number: 927870 Size: SH
  15. Remove the engine wiring harness ground bolt at the rear of the engine block.

    16. Object Number: 1254575 Size: SH
  16. Remove the bolt retaining the engine wiring harness to the left camshaft position actuator housing.

Right Side Harness Connections

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

    2. Object Number: 927778 Size: SH
  2. Disconnect the engine wiring harness from the right camshaft cover.

    3. Object Number: 927822 Size: SH
  3. Disconnect the engine wiring harness from the right ignition coil harness.

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

    5. Object Number: 927871 Size: SH
  5. Remove the engine wiring harness ground nut from the fuel rail stud.
  6. Remove the engine wiring harness ground from the fuel rail stud.

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

    8. Object Number: 927786 Size: SH
  8. Disconnect the engine wiring harness from the air conditioning compressor.

    9. Object Number: 927850 Size: SH
  9. Disconnect the engine wiring harness from the MAP sensor.

    10. Object Number: 927798 Size: SH
  10. Disconnect the engine wiring harness from the knock and crankshaft position sensor wiring harness.

    11. Object Number: 927846 Size: SH
  11. Disconnect the engine wiring harness from the oil level sensor.

    12. Object Number: 927856 Size: SH
  12. Disconnect the engine wiring harness from the right oxygen sensor wiring harness.

    13. Object Number: 927770 Size: SH
  13. Remove the engine wiring harness bracket bolt from the engine block.

    14. Object Number: 1787219 Size: SH
  14. Remove the engine wiring harness from the engine.