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For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Caprice WM 🢒 Engine 🢒 Engine Mechanical - 6.0L 🢒 Engine Wiring Harness Assembly Installation

Engine Wiring Harness Assembly Installation LWBLHD


    Object Number: 1954047 Size: SH
  1. Connect the oil pressure sensor electrical connector (1).

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

  2. Install the wiring harness assembly earth to cylinder head retaining bolt (3)

    3. Tighten
    Tighten the bolt to 4 N·m (35 lb in).

  3. Attach the wiring harness assembly retaining clip (2) to the left side cylinder head (4).

    4. Object Number: 1954086 Size: SH
  4. Position and secure the left side fuel injector wiring harness (5) away from the intake manifold (1).
  5. Connect the left side ignition coil main connector (3).
  6. Install the CPA lock (4) from the left side ignition coil main connector (3).
  7. Connect the left side fuel injector wiring harness connectors (2).

    8. Object Number: 1954054 Size: SH

    Important: Listen for an audible click to confirm fitting of the electrical connector.

  8. Connect the alternator electrical connector (1).

    9. Object Number: 1954088 Size: SH
  9. Connect the camshaft position sensor connector (4).
  10. Connect the coolant temperature sensor connector (3).
  11. Attach the wiring harness retaining clip (2) to the engine lifting bracket (1).

    12. Object Number: 1950900 Size: SH

    Important: Make sure the power steering reservoir (2) and the power steering reservoir bracket locking tang (1) are engaged to avoid an induced rattle condition.

  12. Install the power steering reservoir (2) to the power steering pump power steering reservoir bracket (1).

    13. Object Number: 1954085 Size: SH
  13. Connect the electronic throttle body wiring harness connector (1).

    14. Object Number: 1957879 Size: SH
  14. Connect the electrical connector to the A/C Refrigerant Pressure Sensor (1).

    15. Object Number: 1951049 Size: SH
  15. Connect the A/C electrical connector (1).

    16. Object Number: 1950917 Size: SH
  16. Position the wiring harness ground (1) on he cylinder head (2).
  17. Install the cylinder head stud (3) to the cylinder head (2).

    18. Tighten
    Tighten the stud to 30 N·m(22 lb ft).


    Object Number: 1950915 Size: SH
  18. Position the vehicle body ground cable (3) on the cylinder head stud (2).
  19. Install the vehicle body ground cable to cylinder head retaining nut (1).

    20. Tighten
    Tighten the nut to 12 N·m(106 lb in).


    Object Number: 1954087 Size: SH
  20. Position the right side fuel injector wiring harness (4) on the intake manifold (2).
  21. Connect the manifold absolute pressure (MAP) sensor wiring harness connector (3).
  22. Connect the canister purge valve wiring harness connector (5).
  23. Connect the right side ignition coil main connector (6).
  24. Install the CPA lock (7) from the right side ignition coil main connector (6).
  25. Connect the right side fuel injector wiring harness connectors (1).

    26. Object Number: 1954046 Size: SH
  26. Connect the right side knock sensor electrical connector (1).
  27. Connect the oil level/temperature sensor electrical connector (2).

    28. Object Number: 1954045 Size: SH
  28. Connect the crankshaft position (CKP) sensor electrical connector (1).

    29. Object Number: 1954042 Size: SH
  29. Install the starter motor (2) Into position.
  30. Install starter motor to bell housing retaining bolts (1).

    31. Tighten
    Tighten the bolts to 50  N·m (37 lb ft).


    Object Number: 1994663 Size: SH
  31. Connect the starter motor electrical connector (2)
  32. Install the battery positive cable and retaining nut (1).

    33. Tighten
    Tighten the nut to 10  N·m (88 lb in).


    Object Number: 1951065 Size: SH
  33. Install the heat shield to the vehicle (2).
  34. Install the heat shield to starter motor retaining bolts (1).

    35. Tighten
    Tighten the bolts to (5)  N·m (44) lb in).

    Important: Steps 35 - 39 refer to the 4L60E 4 speed automatic transmission only.


    Object Number: 1954048 Size: SH
  35. Connect the vehicle speed sensor electrical connector (6).
  36. Connect the main transmission electrical connector (5).
  37. Connect the park/neutral position switch electrical connector (1).
  38. Attach the engine wiring loom assembly (3) from the retaining clip (4).
  39. Attach the engine wiring loom assembly (3) from the retaining clip (2).

    40. Important: Steps 40 - 42 refer to the 6L80E 4 speed automatic transmission only.


    Object Number: 1954055 Size: SH
  40. Connect the main transmission electrical connector (4).
  41. Connect the heated oxygen sensor electrical connector (1).
  42. Attach the engine wiring loom assembly (2) to the retaining clip (1).

Engine Wiring Harness Assembly Installation LWBRHD


    Object Number: 1954047 Size: SH
  1. Connect the oil pressure sensor electrical connector (1).

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

  2. Install the wiring harness assembly earth to cylinder head retaining bolt (3)

    3. Tighten
    Tighten the bolt to 4 N·m (35 lb in).

  3. Attach the wiring harness assembly retaining clip (2) to the left side cylinder head (4).

    4. Object Number: 1954086 Size: SH
  4. Position and secure the left side fuel injector wiring harness (5) away from the intake manifold (1).
  5. Connect the left side ignition coil main connector (3).
  6. Install the CPA lock (4) from the left side ignition coil main connector (3).
  7. Connect the left side fuel injector wiring harness connectors (2).

    8. Object Number: 1954054 Size: SH

    Important: Listen for an audible click to confirm fitting of the electrical connector.

  8. Connect the alternator electrical connector (1).

    9. Object Number: 1954088 Size: SH
  9. Connect the camshaft position sensor connector (4).
  10. Connect the coolant temperature sensor connector (3).
  11. Attach the wiring harness retaining clip (2) to the engine lifting bracket (1).

    12. Object Number: 1950900 Size: SH

    Important: Make sure the power steering reservoir (2) and the power steering reservoir bracket locking tang (1) are engaged to avoid an induced rattle condition.

  12. Install the power steering reservoir (2) to the power steering pump power steering reservoir bracket (1).

    13. Object Number: 1954085 Size: SH
  13. Connect the electronic throttle body wiring harness connector (1).

    14. Object Number: 1957879 Size: SH
  14. Connect the electrical connector to the A/C Refrigerant Pressure Sensor (1).

    15. Object Number: 1951049 Size: SH
  15. Connect the A/C electrical connector (1).

    16. Object Number: 1950917 Size: SH
  16. Position the wiring harness ground (1) on he cylinder head (2).
  17. Install the cylinder head stud (3) to the cylinder head (2).

    18. Tighten
    Tighten the stud to 30 N·m(22 lb ft).


    Object Number: 1950915 Size: SH
  18. Position the vehicle body ground cable (3) on the cylinder head stud (2).
  19. Install the vehicle body ground cable to cylinder head retaining nut (1).

    20. Tighten
    Tighten the nut to 12 N·m(106 lb in).


    Object Number: 1954087 Size: SH
  20. Position the right side fuel injector wiring harness (4) on the intake manifold (2).
  21. Connect the manifold absolute pressure (MAP) sensor wiring harness connector (3).
  22. Connect the canister purge valve wiring harness connector (5).
  23. Connect the right side ignition coil main connector (6).
  24. Install the CPA lock (7) from the right side ignition coil main connector (6).
  25. Connect the right side fuel injector wiring harness connectors (1).

    26. Object Number: 1954046 Size: SH
  26. Connect the right side knock sensor electrical connector (1).
  27. Connect the oil level/temperature sensor electrical connector (2).

    28. Object Number: 1954045 Size: SH
  28. Connect the crankshaft position (CKP) sensor electrical connector (1).

    29. Object Number: 1954042 Size: SH
  29. Install the starter motor (2) Into position.
  30. Install starter motor to bell housing retaining bolts (1).

    31. Tighten
    Tighten the bolts to 50  N·m (37 lb ft).


    Object Number: 1994663 Size: SH
  31. Connect the starter motor electrical connector (2)
  32. Install the battery positive cable and retaining nut (1).

    33. Tighten
    Tighten the nut to 10  N·m (88 lb in).


    Object Number: 1951065 Size: SH
  33. Install the heat shield to the vehicle (2).
  34. Install the heat shield to starter motor retaining bolts (1).

    35. Tighten
    Tighten the bolts to (5)  N·m (44) lb in).

    Important: Steps 35 - 39 refer to the 4L60E 4 speed automatic transmission only.


    Object Number: 1954048 Size: SH
  35. Connect the vehicle speed sensor electrical connector (6).
  36. Connect the main transmission electrical connector (5).
  37. Connect the park/neutral position switch electrical connector (1).
  38. Attach the engine wiring loom assembly (3) from the retaining clip (4).
  39. Attach the engine wiring loom assembly (3) from the retaining clip (2).

    40. Important: Steps 40 - 42 refer to the 6L80E 4 speed automatic transmission only.


    Object Number: 1954055 Size: SH
  40. Connect the main transmission electrical connector (4).
  41. Connect the heated oxygen sensor electrical connector (1).
  42. Attach the engine wiring loom assembly (2) to the retaining clip (1).

Engine Wiring Harness Assembly Installation SWBRHD


    Object Number: 1954047 Size: SH
  1. Connect the oil pressure sensor electrical connector (1).

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

  2. Install the wiring harness assembly earth to cylinder head retaining bolt (3)

    3. Tighten
    Tighten the bolt to 4 N·m (35 lb in).

  3. Attach the wiring harness assembly retaining clip (2) to the left side cylinder head (4).

    4. Object Number: 1954086 Size: SH
  4. Position and secure the left side fuel injector wiring harness (5) away from the intake manifold (1).
  5. Connect the left side ignition coil main connector (3).
  6. Install the CPA lock (4) from the left side ignition coil main connector (3).
  7. Connect the left side fuel injector wiring harness connectors (2).

    8. Object Number: 1954054 Size: SH

    Important: Listen for an audible click to confirm fitting of the electrical connector.

  8. Connect the alternator electrical connector (1).

    9. Object Number: 1954088 Size: SH
  9. Connect the camshaft position sensor connector (4).
  10. Connect the coolant temperature sensor connector (3).
  11. Attach the wiring harness retaining clip (2) to the engine lifting bracket (1).

    12. Object Number: 1950900 Size: SH

    Important: Make sure the power steering reservoir (2) and the power steering reservoir bracket locking tang (1) are engaged to avoid an induced rattle condition.

  12. Install the power steering reservoir (2) to the power steering pump power steering reservoir bracket (1).

    13. Object Number: 1954085 Size: SH
  13. Connect the electronic throttle body wiring harness connector (1).

    14. Object Number: 1957879 Size: SH
  14. Connect the electrical connector to the A/C Refrigerant Pressure Sensor (1).

    15. Object Number: 1951049 Size: SH
  15. Connect the A/C electrical connector (1).

    16. Object Number: 1950917 Size: SH
  16. Position the wiring harness ground (1) on he cylinder head (2).
  17. Install the cylinder head stud (3) to the cylinder head (2).

    18. Tighten
    Tighten the stud to 30 N·m(22 lb ft).


    Object Number: 1950915 Size: SH
  18. Position the vehicle body ground cable (3) on the cylinder head stud (2).
  19. Install the vehicle body ground cable to cylinder head retaining nut (1).

    20. Tighten
    Tighten the nut to 12 N·m(106 lb in).


    Object Number: 1954087 Size: SH
  20. Position the right side fuel injector wiring harness (4) on the intake manifold (2).
  21. Connect the manifold absolute pressure (MAP) sensor wiring harness connector (3).
  22. Connect the canister purge valve wiring harness connector (5).
  23. Connect the right side ignition coil main connector (6).
  24. Install the CPA lock (7) from the right side ignition coil main connector (6).
  25. Connect the right side fuel injector wiring harness connectors (1).

    26. Object Number: 1954046 Size: SH
  26. Connect the right side knock sensor electrical connector (1).
  27. Connect the oil level/temperature sensor electrical connector (2).

    28. Object Number: 1954045 Size: SH
  28. Connect the crankshaft position (CKP) sensor electrical connector (1).

    29. Object Number: 1954042 Size: SH
  29. Install the starter motor (2) Into position.
  30. Install starter motor to bell housing retaining bolts (1).

    31. Tighten
    Tighten the bolts to 50  N·m (37 lb ft).


    Object Number: 1994663 Size: SH
  31. Connect the starter motor electrical connector (2)
  32. Install the battery positive cable and retaining nut (1).

    33. Tighten
    Tighten the nut to 10  N·m (88 lb in).


    Object Number: 1951065 Size: SH
  33. Install the heat shield to the vehicle (2).
  34. Install the heat shield to starter motor retaining bolts (1).

    35. Tighten
    Tighten the bolts to (5)  N·m (44) lb in).

    Important: Steps 35 - 39 refer to the 4L60E 4 speed automatic transmission only.


    Object Number: 1954048 Size: SH
  35. Connect the vehicle speed sensor electrical connector (6).
  36. Connect the main transmission electrical connector (5).
  37. Connect the park/neutral position switch electrical connector (1).
  38. Attach the engine wiring loom assembly (3) from the retaining clip (4).
  39. Attach the engine wiring loom assembly (3) from the retaining clip (2).

    40. Important: Steps 40 - 42 refer to the 6L80E 4 speed automatic transmission only.


    Object Number: 1954055 Size: SH
  40. Connect the main transmission electrical connector (4).
  41. Connect the heated oxygen sensor electrical connector (1).
  42. Attach the engine wiring loom assembly (2) to the retaining clip (1).

    43. Important: Steps 43 and 44 refer to the T56 6 speed manual transmission only.


    Object Number: 1954050 Size: SH
  43. Connect the reverse switch assembly electrical connector (3).
  44. Attach the engine wiring loom assembly (2) to the retaining clip (1).